Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4c79ee7a | 3 | * Copyright (c) 1987-2003 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b | 14 | #include "EXTERN.h" |
864dbfa3 | 15 | #define PERL_IN_PERL_C |
378cc40b | 16 | #include "perl.h" |
e3321bb0 | 17 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 18 | |
011f1a1a JH |
19 | #ifdef NETWARE |
20 | #include "nwutil.h" | |
21 | char *nw_get_sitelib(const char *pl); | |
22 | #endif | |
23 | ||
df5cef82 | 24 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
25 | #ifdef I_UNISTD |
26 | #include <unistd.h> | |
27 | #endif | |
a0d0e21e | 28 | |
5311654c JH |
29 | #ifdef __BEOS__ |
30 | # define HZ 1000000 | |
31 | #endif | |
32 | ||
33 | #ifndef HZ | |
34 | # ifdef CLK_TCK | |
35 | # define HZ CLK_TCK | |
36 | # else | |
37 | # define HZ 60 | |
38 | # endif | |
39 | #endif | |
40 | ||
7114a2d2 | 41 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 42 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 43 | #endif |
44 | ||
acfe0abc | 45 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 46 | |
a687059c LW |
47 | #ifdef IAMSUID |
48 | #ifndef DOSUID | |
49 | #define DOSUID | |
50 | #endif | |
51 | #endif | |
378cc40b | 52 | |
a687059c LW |
53 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
54 | #ifdef DOSUID | |
55 | #undef DOSUID | |
56 | #endif | |
57 | #endif | |
8d063cd8 | 58 | |
3db8f154 | 59 | #if defined(USE_ITHREADS) |
06d86050 GS |
60 | # define INIT_TLS_AND_INTERP \ |
61 | STMT_START { \ | |
62 | if (!PL_curinterp) { \ | |
63 | PERL_SET_INTERP(my_perl); \ | |
64 | INIT_THREADS; \ | |
65 | ALLOC_THREAD_KEY; \ | |
534825c4 GS |
66 | PERL_SET_THX(my_perl); \ |
67 | OP_REFCNT_INIT; \ | |
7d4724a4 | 68 | MUTEX_INIT(&PL_dollarzero_mutex); \ |
534825c4 GS |
69 | } \ |
70 | else { \ | |
71 | PERL_SET_THX(my_perl); \ | |
06d86050 | 72 | } \ |
06d86050 | 73 | } STMT_END |
3db8f154 | 74 | #else |
06d86050 GS |
75 | # define INIT_TLS_AND_INTERP \ |
76 | STMT_START { \ | |
77 | if (!PL_curinterp) { \ | |
78 | PERL_SET_INTERP(my_perl); \ | |
79 | } \ | |
80 | PERL_SET_THX(my_perl); \ | |
81 | } STMT_END | |
82 | # endif | |
06d86050 | 83 | |
32e30700 GS |
84 | #ifdef PERL_IMPLICIT_SYS |
85 | PerlInterpreter * | |
7766f137 GS |
86 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
87 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
88 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
89 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
90 | struct IPerlProc* ipP) | |
91 | { | |
92 | PerlInterpreter *my_perl; | |
32e30700 GS |
93 | /* New() needs interpreter, so call malloc() instead */ |
94 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
06d86050 | 95 | INIT_TLS_AND_INTERP; |
32e30700 GS |
96 | Zero(my_perl, 1, PerlInterpreter); |
97 | PL_Mem = ipM; | |
7766f137 GS |
98 | PL_MemShared = ipMS; |
99 | PL_MemParse = ipMP; | |
32e30700 GS |
100 | PL_Env = ipE; |
101 | PL_StdIO = ipStd; | |
102 | PL_LIO = ipLIO; | |
103 | PL_Dir = ipD; | |
104 | PL_Sock = ipS; | |
105 | PL_Proc = ipP; | |
7766f137 | 106 | |
32e30700 GS |
107 | return my_perl; |
108 | } | |
109 | #else | |
954c1994 GS |
110 | |
111 | /* | |
ccfc67b7 JH |
112 | =head1 Embedding Functions |
113 | ||
954c1994 GS |
114 | =for apidoc perl_alloc |
115 | ||
116 | Allocates a new Perl interpreter. See L<perlembed>. | |
117 | ||
118 | =cut | |
119 | */ | |
120 | ||
93a17b20 | 121 | PerlInterpreter * |
cea2e8a9 | 122 | perl_alloc(void) |
79072805 | 123 | { |
cea2e8a9 | 124 | PerlInterpreter *my_perl; |
35d7cf2c JH |
125 | #ifdef USE_5005THREADS |
126 | dTHX; | |
127 | #endif | |
79072805 | 128 | |
54aff467 | 129 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 130 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 131 | |
06d86050 | 132 | INIT_TLS_AND_INTERP; |
dedcbb81 | 133 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 134 | return my_perl; |
79072805 | 135 | } |
32e30700 | 136 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 137 | |
954c1994 GS |
138 | /* |
139 | =for apidoc perl_construct | |
140 | ||
141 | Initializes a new Perl interpreter. See L<perlembed>. | |
142 | ||
143 | =cut | |
144 | */ | |
145 | ||
79072805 | 146 | void |
0cb96387 | 147 | perl_construct(pTHXx) |
79072805 | 148 | { |
8990e307 | 149 | #ifdef MULTIPLICITY |
54aff467 | 150 | init_interp(); |
ac27b0f5 | 151 | PL_perl_destruct_level = 1; |
54aff467 GS |
152 | #else |
153 | if (PL_perl_destruct_level > 0) | |
154 | init_interp(); | |
155 | #endif | |
156 | ||
33f46ff6 | 157 | /* Init the real globals (and main thread)? */ |
3280af22 | 158 | if (!PL_linestr) { |
14dd3ad8 | 159 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 160 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 161 | #endif |
312caa8e | 162 | |
2aea9f8a GS |
163 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
164 | ||
3280af22 NIS |
165 | PL_linestr = NEWSV(65,79); |
166 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 167 | |
3280af22 | 168 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
169 | /* set read-only and try to insure than we wont see REFCNT==0 |
170 | very often */ | |
171 | ||
3280af22 NIS |
172 | SvREADONLY_on(&PL_sv_undef); |
173 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 174 | |
3280af22 NIS |
175 | sv_setpv(&PL_sv_no,PL_No); |
176 | SvNV(&PL_sv_no); | |
177 | SvREADONLY_on(&PL_sv_no); | |
178 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 179 | |
3280af22 NIS |
180 | sv_setpv(&PL_sv_yes,PL_Yes); |
181 | SvNV(&PL_sv_yes); | |
182 | SvREADONLY_on(&PL_sv_yes); | |
183 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 184 | } |
79072805 | 185 | |
cea2e8a9 | 186 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 187 | PL_pidstatus = newHV(); |
79072805 LW |
188 | } |
189 | ||
8bfdd7d9 | 190 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 191 | |
cea2e8a9 | 192 | init_stacks(); |
79072805 | 193 | |
748a9306 | 194 | init_ids(); |
3280af22 | 195 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 196 | |
312caa8e | 197 | JMPENV_BOOTSTRAP; |
f86702cc | 198 | STATUS_ALL_SUCCESS; |
199 | ||
0672f40e | 200 | init_i18nl10n(1); |
36477c24 | 201 | SET_NUMERIC_STANDARD(); |
0b5b802d | 202 | |
a7cb1f99 GS |
203 | { |
204 | U8 *s; | |
205 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 206 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 207 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 208 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 | 209 | s = (U8*)SvPVX(PL_patchlevel); |
9041c2e3 NIS |
210 | /* Build version strings using "native" characters */ |
211 | s = uvchr_to_utf8(s, (UV)PERL_REVISION); | |
212 | s = uvchr_to_utf8(s, (UV)PERL_VERSION); | |
213 | s = uvchr_to_utf8(s, (UV)PERL_SUBVERSION); | |
a7cb1f99 GS |
214 | *s = '\0'; |
215 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
216 | SvPOK_on(PL_patchlevel); | |
00d6e121 MB |
217 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION + |
218 | ((NV)PERL_VERSION / (NV)1000) + | |
219 | ((NV)PERL_SUBVERSION / (NV)1000000); | |
a7cb1f99 GS |
220 | SvNOK_on(PL_patchlevel); /* dual valued */ |
221 | SvUTF8_on(PL_patchlevel); | |
222 | SvREADONLY_on(PL_patchlevel); | |
223 | } | |
79072805 | 224 | |
ab821d7f | 225 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 226 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 227 | #endif |
228 | ||
52853b95 GS |
229 | #ifdef HAVE_INTERP_INTERN |
230 | sys_intern_init(); | |
231 | #endif | |
232 | ||
3a1ee7e8 | 233 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 234 | |
3280af22 NIS |
235 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
236 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 237 | PL_errors = newSVpvn("",0); |
48c6b404 | 238 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
239 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
240 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 241 | #ifdef USE_ITHREADS |
13137afc AB |
242 | PL_regex_padav = newAV(); |
243 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
244 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 245 | #endif |
e5dd39fc | 246 | #ifdef USE_REENTRANT_API |
59bd0823 | 247 | Perl_reentrant_init(aTHX); |
e5dd39fc | 248 | #endif |
3d47000e AB |
249 | |
250 | /* Note that strtab is a rather special HV. Assumptions are made | |
251 | about not iterating on it, and not adding tie magic to it. | |
252 | It is properly deallocated in perl_destruct() */ | |
253 | PL_strtab = newHV(); | |
254 | ||
3d47000e AB |
255 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
256 | hv_ksplit(PL_strtab, 512); | |
257 | ||
0631ea03 AB |
258 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
259 | _dyld_lookup_and_bind | |
260 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
261 | #endif /* environ */ | |
262 | ||
263 | #ifdef USE_ENVIRON_ARRAY | |
264 | PL_origenviron = environ; | |
265 | #endif | |
266 | ||
5311654c JH |
267 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
268 | * available or if the sysconf() fails, use the HZ. */ | |
269 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) | |
270 | PL_clocktick = sysconf(_SC_CLK_TCK); | |
271 | if (PL_clocktick <= 0) | |
272 | #endif | |
273 | PL_clocktick = HZ; | |
274 | ||
081fc587 AB |
275 | PL_stashcache = newHV(); |
276 | ||
8990e307 | 277 | ENTER; |
79072805 LW |
278 | } |
279 | ||
954c1994 | 280 | /* |
62375a60 NIS |
281 | =for apidoc nothreadhook |
282 | ||
283 | Stub that provides thread hook for perl_destruct when there are | |
284 | no threads. | |
285 | ||
286 | =cut | |
287 | */ | |
288 | ||
289 | int | |
4e9e3734 | 290 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
291 | { |
292 | return 0; | |
293 | } | |
294 | ||
295 | /* | |
954c1994 GS |
296 | =for apidoc perl_destruct |
297 | ||
298 | Shuts down a Perl interpreter. See L<perlembed>. | |
299 | ||
300 | =cut | |
301 | */ | |
302 | ||
31d77e54 | 303 | int |
0cb96387 | 304 | perl_destruct(pTHXx) |
79072805 | 305 | { |
7c474504 | 306 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 307 | HV *hv; |
4d1ff10f | 308 | #ifdef USE_5005THREADS |
cea2e8a9 | 309 | dTHX; |
4d1ff10f | 310 | #endif /* USE_5005THREADS */ |
8990e307 | 311 | |
7766f137 GS |
312 | /* wait for all pseudo-forked children to finish */ |
313 | PERL_WAIT_FOR_CHILDREN; | |
314 | ||
3280af22 | 315 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
316 | #ifdef DEBUGGING |
317 | { | |
318 | char *s; | |
155aba94 | 319 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 320 | int i = atoi(s); |
321 | if (destruct_level < i) | |
322 | destruct_level = i; | |
323 | } | |
4633a7c4 LW |
324 | } |
325 | #endif | |
326 | ||
31d77e54 AB |
327 | |
328 | if(PL_exit_flags & PERL_EXIT_DESTRUCT_END) { | |
f3faeb53 AB |
329 | dJMPENV; |
330 | int x = 0; | |
331 | ||
332 | JMPENV_PUSH(x); | |
333 | if (PL_endav && !PL_minus_c) | |
334 | call_list(PL_scopestack_ix, PL_endav); | |
335 | JMPENV_POP; | |
26f423df | 336 | } |
f3faeb53 | 337 | LEAVE; |
a0d0e21e LW |
338 | FREETMPS; |
339 | ||
e00b64d4 | 340 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 341 | my_fflush_all(); |
e00b64d4 | 342 | |
62375a60 NIS |
343 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
344 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 345 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
346 | } |
347 | ||
ff0cee69 | 348 | /* We must account for everything. */ |
349 | ||
350 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 351 | if (PL_main_root) { |
3280af22 NIS |
352 | op_free(PL_main_root); |
353 | PL_main_root = Nullop; | |
a0d0e21e | 354 | } |
3280af22 NIS |
355 | PL_curcop = &PL_compiling; |
356 | PL_main_start = Nullop; | |
357 | SvREFCNT_dec(PL_main_cv); | |
358 | PL_main_cv = Nullcv; | |
24d3c518 | 359 | PL_dirty = TRUE; |
ff0cee69 | 360 | |
13621cfb NIS |
361 | /* Tell PerlIO we are about to tear things apart in case |
362 | we have layers which are using resources that should | |
363 | be cleaned up now. | |
364 | */ | |
365 | ||
366 | PerlIO_destruct(aTHX); | |
367 | ||
3280af22 | 368 | if (PL_sv_objcount) { |
a0d0e21e LW |
369 | /* |
370 | * Try to destruct global references. We do this first so that the | |
371 | * destructors and destructees still exist. Some sv's might remain. | |
372 | * Non-referenced objects are on their own. | |
373 | */ | |
a0d0e21e | 374 | sv_clean_objs(); |
8990e307 LW |
375 | } |
376 | ||
5cd24f17 | 377 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
378 | SvREFCNT_dec(PL_warnhook); |
379 | PL_warnhook = Nullsv; | |
380 | SvREFCNT_dec(PL_diehook); | |
381 | PL_diehook = Nullsv; | |
5cd24f17 | 382 | |
4b556e6c | 383 | /* call exit list functions */ |
3280af22 | 384 | while (PL_exitlistlen-- > 0) |
acfe0abc | 385 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 386 | |
3280af22 | 387 | Safefree(PL_exitlist); |
4b556e6c | 388 | |
1c4916e5 CB |
389 | PL_exitlist = NULL; |
390 | PL_exitlistlen = 0; | |
391 | ||
a0d0e21e | 392 | if (destruct_level == 0){ |
8990e307 | 393 | |
a0d0e21e | 394 | DEBUG_P(debprofdump()); |
ac27b0f5 | 395 | |
56a2bab7 NIS |
396 | #if defined(PERLIO_LAYERS) |
397 | /* No more IO - including error messages ! */ | |
398 | PerlIO_cleanup(aTHX); | |
399 | #endif | |
400 | ||
a0d0e21e | 401 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 402 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 403 | } |
5dd60ef7 | 404 | |
551a8b83 | 405 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
406 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
407 | * so we certainly shouldn't free it here | |
408 | */ | |
409 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) | |
4efc5df6 GS |
410 | if (environ != PL_origenviron |
411 | #ifdef USE_ITHREADS | |
412 | /* only main thread can free environ[0] contents */ | |
413 | && PL_curinterp == aTHX | |
414 | #endif | |
415 | ) | |
416 | { | |
551a8b83 JH |
417 | I32 i; |
418 | ||
419 | for (i = 0; environ[i]; i++) | |
4b420006 | 420 | safesysfree(environ[i]); |
0631ea03 | 421 | |
4b420006 JH |
422 | /* Must use safesysfree() when working with environ. */ |
423 | safesysfree(environ); | |
551a8b83 JH |
424 | |
425 | environ = PL_origenviron; | |
426 | } | |
427 | #endif | |
428 | ||
5f8cb046 DM |
429 | #ifdef USE_ITHREADS |
430 | /* the syntax tree is shared between clones | |
431 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
432 | * REGEXPs in the parent interpreter | |
433 | * we need to manually ReREFCNT_dec for the clones | |
434 | */ | |
435 | { | |
436 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
437 | SV **ary = AvARRAY(PL_regex_padav); | |
438 | ||
439 | while (i) { | |
35061a7e | 440 | SV *resv = ary[--i]; |
ba89bb6e | 441 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
442 | |
443 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 444 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
445 | * flag is set in regexec.c:S_regtry |
446 | */ | |
447 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 448 | } |
1cc8b4c5 AB |
449 | else if(SvREPADTMP(resv)) { |
450 | SvREPADTMP_off(resv); | |
451 | } | |
35061a7e | 452 | else { |
5f8cb046 DM |
453 | ReREFCNT_dec(re); |
454 | } | |
455 | } | |
456 | } | |
457 | SvREFCNT_dec(PL_regex_padav); | |
458 | PL_regex_padav = Nullav; | |
459 | PL_regex_pad = NULL; | |
460 | #endif | |
461 | ||
081fc587 AB |
462 | SvREFCNT_dec((SV*) PL_stashcache); |
463 | PL_stashcache = NULL; | |
464 | ||
5f05dabc | 465 | /* loosen bonds of global variables */ |
466 | ||
3280af22 NIS |
467 | if(PL_rsfp) { |
468 | (void)PerlIO_close(PL_rsfp); | |
469 | PL_rsfp = Nullfp; | |
8ebc5c01 | 470 | } |
471 | ||
472 | /* Filters for program text */ | |
3280af22 NIS |
473 | SvREFCNT_dec(PL_rsfp_filters); |
474 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 475 | |
476 | /* switches */ | |
3280af22 NIS |
477 | PL_preprocess = FALSE; |
478 | PL_minus_n = FALSE; | |
479 | PL_minus_p = FALSE; | |
480 | PL_minus_l = FALSE; | |
481 | PL_minus_a = FALSE; | |
482 | PL_minus_F = FALSE; | |
483 | PL_doswitches = FALSE; | |
599cee73 | 484 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
485 | PL_doextract = FALSE; |
486 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
487 | PL_unsafe = FALSE; |
488 | ||
489 | Safefree(PL_inplace); | |
490 | PL_inplace = Nullch; | |
a7cb1f99 | 491 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
492 | |
493 | if (PL_e_script) { | |
494 | SvREFCNT_dec(PL_e_script); | |
495 | PL_e_script = Nullsv; | |
8ebc5c01 | 496 | } |
497 | ||
498 | /* magical thingies */ | |
499 | ||
7889fe52 NIS |
500 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
501 | PL_ofs_sv = Nullsv; | |
5f05dabc | 502 | |
7889fe52 NIS |
503 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
504 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 505 | |
3280af22 NIS |
506 | SvREFCNT_dec(PL_rs); /* $/ */ |
507 | PL_rs = Nullsv; | |
dc92893f | 508 | |
d33b2eba GS |
509 | PL_multiline = 0; /* $* */ |
510 | Safefree(PL_osname); /* $^O */ | |
511 | PL_osname = Nullch; | |
5f05dabc | 512 | |
3280af22 NIS |
513 | SvREFCNT_dec(PL_statname); |
514 | PL_statname = Nullsv; | |
515 | PL_statgv = Nullgv; | |
5f05dabc | 516 | |
8ebc5c01 | 517 | /* defgv, aka *_ should be taken care of elsewhere */ |
518 | ||
8ebc5c01 | 519 | /* clean up after study() */ |
3280af22 NIS |
520 | SvREFCNT_dec(PL_lastscream); |
521 | PL_lastscream = Nullsv; | |
522 | Safefree(PL_screamfirst); | |
523 | PL_screamfirst = 0; | |
524 | Safefree(PL_screamnext); | |
525 | PL_screamnext = 0; | |
8ebc5c01 | 526 | |
7d5ea4e7 GS |
527 | /* float buffer */ |
528 | Safefree(PL_efloatbuf); | |
529 | PL_efloatbuf = Nullch; | |
530 | PL_efloatsize = 0; | |
531 | ||
8ebc5c01 | 532 | /* startup and shutdown function lists */ |
3280af22 | 533 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 534 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 535 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 536 | SvREFCNT_dec(PL_checkav); |
ece599bd | 537 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
538 | SvREFCNT_dec(PL_initav); |
539 | PL_beginav = Nullav; | |
5a837c8f | 540 | PL_beginav_save = Nullav; |
3280af22 | 541 | PL_endav = Nullav; |
7d30b5c4 | 542 | PL_checkav = Nullav; |
ece599bd | 543 | PL_checkav_save = Nullav; |
3280af22 | 544 | PL_initav = Nullav; |
5618dfe8 | 545 | |
8ebc5c01 | 546 | /* shortcuts just get cleared */ |
3280af22 | 547 | PL_envgv = Nullgv; |
3280af22 NIS |
548 | PL_incgv = Nullgv; |
549 | PL_hintgv = Nullgv; | |
550 | PL_errgv = Nullgv; | |
551 | PL_argvgv = Nullgv; | |
552 | PL_argvoutgv = Nullgv; | |
553 | PL_stdingv = Nullgv; | |
bf49b057 | 554 | PL_stderrgv = Nullgv; |
3280af22 NIS |
555 | PL_last_in_gv = Nullgv; |
556 | PL_replgv = Nullgv; | |
5c831c24 | 557 | PL_debstash = Nullhv; |
8ebc5c01 | 558 | |
559 | /* reset so print() ends up where we expect */ | |
560 | setdefout(Nullgv); | |
5c831c24 | 561 | |
7a1c5554 GS |
562 | SvREFCNT_dec(PL_argvout_stack); |
563 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 564 | |
5c831c24 GS |
565 | SvREFCNT_dec(PL_modglobal); |
566 | PL_modglobal = Nullhv; | |
567 | SvREFCNT_dec(PL_preambleav); | |
568 | PL_preambleav = Nullav; | |
569 | SvREFCNT_dec(PL_subname); | |
570 | PL_subname = Nullsv; | |
571 | SvREFCNT_dec(PL_linestr); | |
572 | PL_linestr = Nullsv; | |
573 | SvREFCNT_dec(PL_pidstatus); | |
574 | PL_pidstatus = Nullhv; | |
575 | SvREFCNT_dec(PL_toptarget); | |
576 | PL_toptarget = Nullsv; | |
577 | SvREFCNT_dec(PL_bodytarget); | |
578 | PL_bodytarget = Nullsv; | |
579 | PL_formtarget = Nullsv; | |
580 | ||
d33b2eba | 581 | /* free locale stuff */ |
b9582b6a | 582 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
583 | Safefree(PL_collation_name); |
584 | PL_collation_name = Nullch; | |
b9582b6a | 585 | #endif |
d33b2eba | 586 | |
b9582b6a | 587 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
588 | Safefree(PL_numeric_name); |
589 | PL_numeric_name = Nullch; | |
a453c169 | 590 | SvREFCNT_dec(PL_numeric_radix_sv); |
b9582b6a | 591 | #endif |
d33b2eba | 592 | |
5c831c24 GS |
593 | /* clear utf8 character classes */ |
594 | SvREFCNT_dec(PL_utf8_alnum); | |
595 | SvREFCNT_dec(PL_utf8_alnumc); | |
596 | SvREFCNT_dec(PL_utf8_ascii); | |
597 | SvREFCNT_dec(PL_utf8_alpha); | |
598 | SvREFCNT_dec(PL_utf8_space); | |
599 | SvREFCNT_dec(PL_utf8_cntrl); | |
600 | SvREFCNT_dec(PL_utf8_graph); | |
601 | SvREFCNT_dec(PL_utf8_digit); | |
602 | SvREFCNT_dec(PL_utf8_upper); | |
603 | SvREFCNT_dec(PL_utf8_lower); | |
604 | SvREFCNT_dec(PL_utf8_print); | |
605 | SvREFCNT_dec(PL_utf8_punct); | |
606 | SvREFCNT_dec(PL_utf8_xdigit); | |
607 | SvREFCNT_dec(PL_utf8_mark); | |
608 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 609 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 610 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 611 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
612 | SvREFCNT_dec(PL_utf8_idstart); |
613 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
614 | PL_utf8_alnum = Nullsv; |
615 | PL_utf8_alnumc = Nullsv; | |
616 | PL_utf8_ascii = Nullsv; | |
617 | PL_utf8_alpha = Nullsv; | |
618 | PL_utf8_space = Nullsv; | |
619 | PL_utf8_cntrl = Nullsv; | |
620 | PL_utf8_graph = Nullsv; | |
621 | PL_utf8_digit = Nullsv; | |
622 | PL_utf8_upper = Nullsv; | |
623 | PL_utf8_lower = Nullsv; | |
624 | PL_utf8_print = Nullsv; | |
625 | PL_utf8_punct = Nullsv; | |
626 | PL_utf8_xdigit = Nullsv; | |
627 | PL_utf8_mark = Nullsv; | |
628 | PL_utf8_toupper = Nullsv; | |
629 | PL_utf8_totitle = Nullsv; | |
630 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 631 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
632 | PL_utf8_idstart = Nullsv; |
633 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 634 | |
971a9dd3 GS |
635 | if (!specialWARN(PL_compiling.cop_warnings)) |
636 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 637 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
638 | if (!specialCopIO(PL_compiling.cop_io)) |
639 | SvREFCNT_dec(PL_compiling.cop_io); | |
640 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
641 | CopFILE_free(&PL_compiling); |
642 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 643 | |
a0d0e21e | 644 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 645 | |
3280af22 NIS |
646 | hv = PL_defstash; |
647 | PL_defstash = 0; | |
a0d0e21e | 648 | SvREFCNT_dec(hv); |
5c831c24 GS |
649 | SvREFCNT_dec(PL_curstname); |
650 | PL_curstname = Nullsv; | |
a0d0e21e | 651 | |
5a844595 GS |
652 | /* clear queued errors */ |
653 | SvREFCNT_dec(PL_errors); | |
654 | PL_errors = Nullsv; | |
655 | ||
a0d0e21e | 656 | FREETMPS; |
0453d815 | 657 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 658 | if (PL_scopestack_ix != 0) |
9014280d | 659 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 660 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
661 | (long)PL_scopestack_ix); |
662 | if (PL_savestack_ix != 0) | |
9014280d | 663 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 664 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
665 | (long)PL_savestack_ix); |
666 | if (PL_tmps_floor != -1) | |
9014280d | 667 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 668 | (long)PL_tmps_floor + 1); |
a0d0e21e | 669 | if (cxstack_ix != -1) |
9014280d | 670 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 671 | (long)cxstack_ix + 1); |
a0d0e21e | 672 | } |
8990e307 LW |
673 | |
674 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 675 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 676 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
677 | |
678 | /* the 2 is for PL_fdpid and PL_strtab */ | |
679 | while (PL_sv_count > 2 && sv_clean_all()) | |
680 | ; | |
681 | ||
d33b2eba GS |
682 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
683 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
684 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
685 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 686 | |
d4777f27 GS |
687 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
688 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
689 | PL_fdpid = Nullav; |
690 | ||
6c644e78 GS |
691 | #ifdef HAVE_INTERP_INTERN |
692 | sys_intern_clear(); | |
693 | #endif | |
694 | ||
6e72f9df | 695 | /* Destruct the global string table. */ |
696 | { | |
697 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
698 | * so that sv_free() won't fail on them. | |
699 | */ | |
700 | I32 riter; | |
701 | I32 max; | |
702 | HE *hent; | |
703 | HE **array; | |
704 | ||
705 | riter = 0; | |
3280af22 NIS |
706 | max = HvMAX(PL_strtab); |
707 | array = HvARRAY(PL_strtab); | |
6e72f9df | 708 | hent = array[0]; |
709 | for (;;) { | |
0453d815 | 710 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 711 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 712 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 713 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
714 | HeVAL(hent) = Nullsv; | |
715 | hent = HeNEXT(hent); | |
716 | } | |
717 | if (!hent) { | |
718 | if (++riter > max) | |
719 | break; | |
720 | hent = array[riter]; | |
721 | } | |
722 | } | |
723 | } | |
3280af22 | 724 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 725 | |
e652bb2f | 726 | #ifdef USE_ITHREADS |
a0739874 DM |
727 | /* free the pointer table used for cloning */ |
728 | ptr_table_free(PL_ptr_table); | |
53186e96 | 729 | #endif |
a0739874 | 730 | |
d33b2eba GS |
731 | /* free special SVs */ |
732 | ||
733 | SvREFCNT(&PL_sv_yes) = 0; | |
734 | sv_clear(&PL_sv_yes); | |
735 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 736 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
737 | |
738 | SvREFCNT(&PL_sv_no) = 0; | |
739 | sv_clear(&PL_sv_no); | |
740 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 741 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 742 | |
9f375a43 DM |
743 | { |
744 | int i; | |
745 | for (i=0; i<=2; i++) { | |
746 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
747 | sv_clear(PERL_DEBUG_PAD(i)); | |
748 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
749 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
750 | } | |
751 | } | |
752 | ||
0453d815 | 753 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 754 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 755 | |
eba0f806 DM |
756 | #ifdef DEBUG_LEAKING_SCALARS |
757 | if (PL_sv_count != 0) { | |
758 | SV* sva; | |
759 | SV* sv; | |
760 | register SV* svend; | |
761 | ||
762 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
763 | svend = &sva[SvREFCNT(sva)]; | |
764 | for (sv = sva + 1; sv < svend; ++sv) { | |
765 | if (SvTYPE(sv) != SVTYPEMASK) { | |
766 | PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv); | |
767 | } | |
768 | } | |
769 | } | |
770 | } | |
771 | #endif | |
772 | ||
773 | ||
56a2bab7 | 774 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
775 | /* No more IO - including error messages ! */ |
776 | PerlIO_cleanup(aTHX); | |
777 | #endif | |
778 | ||
9f4bd222 NIS |
779 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
780 | as currently layers use it rather than Nullsv as a marker | |
781 | for no arg - and will try and SvREFCNT_dec it. | |
782 | */ | |
783 | SvREFCNT(&PL_sv_undef) = 0; | |
784 | SvREADONLY_off(&PL_sv_undef); | |
785 | ||
3280af22 | 786 | Safefree(PL_origfilename); |
3280af22 | 787 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
788 | if (PL_reg_curpm) |
789 | Safefree(PL_reg_curpm); | |
82ba1be6 | 790 | Safefree(PL_reg_poscache); |
3280af22 NIS |
791 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
792 | Safefree(PL_op_mask); | |
cf36064f GS |
793 | Safefree(PL_psig_ptr); |
794 | Safefree(PL_psig_name); | |
2c2666fc | 795 | Safefree(PL_bitcount); |
ce08f86c | 796 | Safefree(PL_psig_pend); |
6e72f9df | 797 | nuke_stacks(); |
3280af22 | 798 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 799 | |
a0d0e21e | 800 | DEBUG_P(debprofdump()); |
d33b2eba | 801 | |
e5dd39fc | 802 | #ifdef USE_REENTRANT_API |
10bc17b6 | 803 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
804 | #endif |
805 | ||
612f20c3 GS |
806 | sv_free_arenas(); |
807 | ||
fc36a67e | 808 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
809 | ||
3280af22 | 810 | if (PL_mess_sv) { |
9c63abab GS |
811 | /* it could have accumulated taint magic */ |
812 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
813 | MAGIC* mg; | |
814 | MAGIC* moremagic; | |
815 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
816 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
817 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
818 | && mg->mg_len >= 0) | |
9c63abab GS |
819 | Safefree(mg->mg_ptr); |
820 | Safefree(mg); | |
821 | } | |
822 | } | |
fc36a67e | 823 | /* we know that type >= SVt_PV */ |
155aba94 | 824 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
825 | Safefree(SvPVX(PL_mess_sv)); |
826 | Safefree(SvANY(PL_mess_sv)); | |
827 | Safefree(PL_mess_sv); | |
828 | PL_mess_sv = Nullsv; | |
fc36a67e | 829 | } |
31d77e54 | 830 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
831 | } |
832 | ||
954c1994 GS |
833 | /* |
834 | =for apidoc perl_free | |
835 | ||
836 | Releases a Perl interpreter. See L<perlembed>. | |
837 | ||
838 | =cut | |
839 | */ | |
840 | ||
79072805 | 841 | void |
0cb96387 | 842 | perl_free(pTHXx) |
79072805 | 843 | { |
acfe0abc | 844 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 845 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
846 | # ifdef NETWARE |
847 | void *host = nw_internal_host; | |
848 | # else | |
849 | void *host = w32_internal_host; | |
850 | # endif | |
ce3e5b80 | 851 | PerlMem_free(aTHXx); |
acfe0abc | 852 | # ifdef NETWARE |
011f1a1a | 853 | nw_delete_internal_host(host); |
acfe0abc GS |
854 | # else |
855 | win32_delete_internal_host(host); | |
856 | # endif | |
1c0ca838 GS |
857 | # else |
858 | PerlMem_free(aTHXx); | |
859 | # endif | |
acfe0abc GS |
860 | #else |
861 | PerlMem_free(aTHXx); | |
76e3520e | 862 | #endif |
79072805 LW |
863 | } |
864 | ||
4b556e6c | 865 | void |
864dbfa3 | 866 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 867 | { |
3280af22 NIS |
868 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
869 | PL_exitlist[PL_exitlistlen].fn = fn; | |
870 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
871 | ++PL_exitlistlen; | |
4b556e6c JD |
872 | } |
873 | ||
954c1994 GS |
874 | /* |
875 | =for apidoc perl_parse | |
876 | ||
877 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
878 | ||
879 | =cut | |
880 | */ | |
881 | ||
79072805 | 882 | int |
0cb96387 | 883 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 884 | { |
6224f72b | 885 | I32 oldscope; |
6224f72b | 886 | int ret; |
db36c5a1 | 887 | dJMPENV; |
4d1ff10f | 888 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
889 | dTHX; |
890 | #endif | |
8d063cd8 | 891 | |
a687059c LW |
892 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
893 | #ifdef IAMSUID | |
894 | #undef IAMSUID | |
cea2e8a9 | 895 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
896 | setuid perl scripts securely.\n"); |
897 | #endif | |
898 | #endif | |
899 | ||
3280af22 | 900 | PL_origargc = argc; |
e2975953 | 901 | PL_origargv = argv; |
a0d0e21e | 902 | |
3280af22 | 903 | if (PL_do_undump) { |
a0d0e21e LW |
904 | |
905 | /* Come here if running an undumped a.out. */ | |
906 | ||
3280af22 NIS |
907 | PL_origfilename = savepv(argv[0]); |
908 | PL_do_undump = FALSE; | |
a0d0e21e | 909 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 910 | init_ids(); |
a0d0e21e LW |
911 | init_postdump_symbols(argc,argv,env); |
912 | return 0; | |
913 | } | |
914 | ||
3280af22 | 915 | if (PL_main_root) { |
3280af22 NIS |
916 | op_free(PL_main_root); |
917 | PL_main_root = Nullop; | |
ff0cee69 | 918 | } |
3280af22 NIS |
919 | PL_main_start = Nullop; |
920 | SvREFCNT_dec(PL_main_cv); | |
921 | PL_main_cv = Nullcv; | |
79072805 | 922 | |
3280af22 NIS |
923 | time(&PL_basetime); |
924 | oldscope = PL_scopestack_ix; | |
599cee73 | 925 | PL_dowarn = G_WARN_OFF; |
f86702cc | 926 | |
14dd3ad8 GS |
927 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
928 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
929 | #else | |
930 | JMPENV_PUSH(ret); | |
931 | #endif | |
6224f72b | 932 | switch (ret) { |
312caa8e | 933 | case 0: |
14dd3ad8 GS |
934 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
935 | parse_body(env,xsinit); | |
936 | #endif | |
7d30b5c4 GS |
937 | if (PL_checkav) |
938 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
939 | ret = 0; |
940 | break; | |
6224f72b GS |
941 | case 1: |
942 | STATUS_ALL_FAILURE; | |
943 | /* FALL THROUGH */ | |
944 | case 2: | |
945 | /* my_exit() was called */ | |
3280af22 | 946 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
947 | LEAVE; |
948 | FREETMPS; | |
3280af22 | 949 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
950 | if (PL_checkav) |
951 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
952 | ret = STATUS_NATIVE_EXPORT; |
953 | break; | |
6224f72b | 954 | case 3: |
bf49b057 | 955 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
956 | ret = 1; |
957 | break; | |
6224f72b | 958 | } |
14dd3ad8 GS |
959 | JMPENV_POP; |
960 | return ret; | |
961 | } | |
962 | ||
963 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
964 | STATIC void * | |
965 | S_vparse_body(pTHX_ va_list args) | |
966 | { | |
967 | char **env = va_arg(args, char**); | |
968 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
969 | ||
970 | return parse_body(env, xsinit); | |
312caa8e | 971 | } |
14dd3ad8 | 972 | #endif |
312caa8e CS |
973 | |
974 | STATIC void * | |
14dd3ad8 | 975 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 976 | { |
312caa8e CS |
977 | int argc = PL_origargc; |
978 | char **argv = PL_origargv; | |
312caa8e CS |
979 | char *scriptname = NULL; |
980 | int fdscript = -1; | |
981 | VOL bool dosearch = FALSE; | |
982 | char *validarg = ""; | |
312caa8e CS |
983 | register SV *sv; |
984 | register char *s; | |
cf756827 | 985 | char *cddir = Nullch; |
312caa8e | 986 | |
3280af22 | 987 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 988 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
989 | SAVEFREESV(sv); |
990 | init_main_stash(); | |
54310121 | 991 | |
6224f72b GS |
992 | for (argc--,argv++; argc > 0; argc--,argv++) { |
993 | if (argv[0][0] != '-' || !argv[0][1]) | |
994 | break; | |
995 | #ifdef DOSUID | |
996 | if (*validarg) | |
997 | validarg = " PHOOEY "; | |
998 | else | |
999 | validarg = argv[0]; | |
13281fa4 | 1000 | #endif |
6224f72b GS |
1001 | s = argv[0]+1; |
1002 | reswitch: | |
1003 | switch (*s) { | |
729a02f2 | 1004 | case 'C': |
1d5472a9 GS |
1005 | #ifndef PERL_STRICT_CR |
1006 | case '\r': | |
1007 | #endif | |
6224f72b GS |
1008 | case ' ': |
1009 | case '0': | |
1010 | case 'F': | |
1011 | case 'a': | |
1012 | case 'c': | |
1013 | case 'd': | |
1014 | case 'D': | |
1015 | case 'h': | |
1016 | case 'i': | |
1017 | case 'l': | |
1018 | case 'M': | |
1019 | case 'm': | |
1020 | case 'n': | |
1021 | case 'p': | |
1022 | case 's': | |
1023 | case 'u': | |
1024 | case 'U': | |
1025 | case 'v': | |
599cee73 PM |
1026 | case 'W': |
1027 | case 'X': | |
6224f72b | 1028 | case 'w': |
06492da6 | 1029 | case 'A': |
155aba94 | 1030 | if ((s = moreswitches(s))) |
6224f72b GS |
1031 | goto reswitch; |
1032 | break; | |
33b78306 | 1033 | |
1dbad523 | 1034 | case 't': |
317ea90d MS |
1035 | if( !PL_tainting ) { |
1036 | PL_taint_warn = TRUE; | |
1037 | PL_tainting = TRUE; | |
1038 | } | |
1039 | s++; | |
1040 | goto reswitch; | |
6224f72b | 1041 | case 'T': |
3280af22 | 1042 | PL_tainting = TRUE; |
317ea90d | 1043 | PL_taint_warn = FALSE; |
6224f72b GS |
1044 | s++; |
1045 | goto reswitch; | |
f86702cc | 1046 | |
6224f72b | 1047 | case 'e': |
bf4acbe4 GS |
1048 | #ifdef MACOS_TRADITIONAL |
1049 | /* ignore -e for Dev:Pseudo argument */ | |
1050 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1051 | break; |
bf4acbe4 | 1052 | #endif |
3280af22 | 1053 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1054 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1055 | if (!PL_e_script) { |
79cb57f6 | 1056 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1057 | filter_add(read_e_script, NULL); |
6224f72b GS |
1058 | } |
1059 | if (*++s) | |
3280af22 | 1060 | sv_catpv(PL_e_script, s); |
6224f72b | 1061 | else if (argv[1]) { |
3280af22 | 1062 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1063 | argc--,argv++; |
1064 | } | |
1065 | else | |
cea2e8a9 | 1066 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1067 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1068 | break; |
afe37c7d | 1069 | |
6224f72b GS |
1070 | case 'I': /* -I handled both here and in moreswitches() */ |
1071 | forbid_setid("-I"); | |
1072 | if (!*++s && (s=argv[1]) != Nullch) { | |
1073 | argc--,argv++; | |
1074 | } | |
6224f72b | 1075 | if (s && *s) { |
0df16ed7 GS |
1076 | char *p; |
1077 | STRLEN len = strlen(s); | |
1078 | p = savepvn(s, len); | |
574c798a | 1079 | incpush(p, TRUE, TRUE, FALSE); |
0df16ed7 GS |
1080 | sv_catpvn(sv, "-I", 2); |
1081 | sv_catpvn(sv, p, len); | |
1082 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1083 | Safefree(p); |
0df16ed7 GS |
1084 | } |
1085 | else | |
a67e862a | 1086 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1087 | break; |
1088 | case 'P': | |
1089 | forbid_setid("-P"); | |
3280af22 | 1090 | PL_preprocess = TRUE; |
6224f72b GS |
1091 | s++; |
1092 | goto reswitch; | |
1093 | case 'S': | |
1094 | forbid_setid("-S"); | |
1095 | dosearch = TRUE; | |
1096 | s++; | |
1097 | goto reswitch; | |
1098 | case 'V': | |
3280af22 NIS |
1099 | if (!PL_preambleav) |
1100 | PL_preambleav = newAV(); | |
1101 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1102 | if (*++s != ':') { |
3280af22 | 1103 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1104 | #ifdef VMS |
6b88bc9c | 1105 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1106 | #else |
3280af22 | 1107 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1108 | #endif |
3280af22 | 1109 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1110 | # ifdef DEBUGGING |
3280af22 | 1111 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1112 | # endif |
6224f72b | 1113 | # ifdef MULTIPLICITY |
8f872242 | 1114 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1115 | # endif |
4d1ff10f AB |
1116 | # ifdef USE_5005THREADS |
1117 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1118 | # endif |
ac5e8965 JH |
1119 | # ifdef USE_ITHREADS |
1120 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1121 | # endif | |
10cc9d2a JH |
1122 | # ifdef USE_64_BIT_INT |
1123 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1124 | # endif | |
1125 | # ifdef USE_64_BIT_ALL | |
1126 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1127 | # endif |
1128 | # ifdef USE_LONG_DOUBLE | |
1129 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1130 | # endif | |
53430762 JH |
1131 | # ifdef USE_LARGE_FILES |
1132 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1133 | # endif | |
ac5e8965 JH |
1134 | # ifdef USE_SOCKS |
1135 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1136 | # endif | |
b363f7ed GS |
1137 | # ifdef PERL_IMPLICIT_CONTEXT |
1138 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1139 | # endif | |
1140 | # ifdef PERL_IMPLICIT_SYS | |
1141 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1142 | # endif | |
3280af22 | 1143 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1144 | |
6224f72b GS |
1145 | #if defined(LOCAL_PATCH_COUNT) |
1146 | if (LOCAL_PATCH_COUNT > 0) { | |
1147 | int i; | |
3280af22 | 1148 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1149 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1150 | if (PL_localpatches[i]) |
cea2e8a9 | 1151 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1152 | } |
1153 | } | |
1154 | #endif | |
cea2e8a9 | 1155 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1156 | #ifdef __DATE__ |
1157 | # ifdef __TIME__ | |
cea2e8a9 | 1158 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1159 | # else |
cea2e8a9 | 1160 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1161 | # endif |
1162 | #endif | |
3280af22 | 1163 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1164 | $\"=\"\\n \"; \ |
69fcd688 JH |
1165 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1166 | #ifdef __CYGWIN__ | |
1167 | sv_catpv(PL_Sv,"\ | |
1168 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1169 | #endif | |
1170 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1171 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1172 | print \" \\@INC:\\n @INC\\n\";"); | |
1173 | } | |
1174 | else { | |
3280af22 NIS |
1175 | PL_Sv = newSVpv("config_vars(qw(",0); |
1176 | sv_catpv(PL_Sv, ++s); | |
1177 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1178 | s += strlen(s); |
1179 | } | |
3280af22 | 1180 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1181 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1182 | goto reswitch; | |
1183 | case 'x': | |
3280af22 | 1184 | PL_doextract = TRUE; |
6224f72b GS |
1185 | s++; |
1186 | if (*s) | |
f4c556ac | 1187 | cddir = s; |
6224f72b GS |
1188 | break; |
1189 | case 0: | |
1190 | break; | |
1191 | case '-': | |
1192 | if (!*++s || isSPACE(*s)) { | |
1193 | argc--,argv++; | |
1194 | goto switch_end; | |
1195 | } | |
1196 | /* catch use of gnu style long options */ | |
1197 | if (strEQ(s, "version")) { | |
1198 | s = "v"; | |
1199 | goto reswitch; | |
1200 | } | |
1201 | if (strEQ(s, "help")) { | |
1202 | s = "h"; | |
1203 | goto reswitch; | |
1204 | } | |
1205 | s--; | |
1206 | /* FALL THROUGH */ | |
1207 | default: | |
cea2e8a9 | 1208 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1209 | } |
1210 | } | |
6224f72b | 1211 | switch_end: |
7f9e821f | 1212 | sv_setsv(get_sv("/", TRUE), PL_rs); |
54310121 | 1213 | |
f675dbe5 CB |
1214 | if ( |
1215 | #ifndef SECURE_INTERNAL_GETENV | |
1216 | !PL_tainting && | |
1217 | #endif | |
cf756827 | 1218 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1219 | { |
cf756827 | 1220 | char *popt = s; |
74288ac8 GS |
1221 | while (isSPACE(*s)) |
1222 | s++; | |
317ea90d | 1223 | if (*s == '-' && *(s+1) == 'T') { |
74288ac8 | 1224 | PL_tainting = TRUE; |
317ea90d MS |
1225 | PL_taint_warn = FALSE; |
1226 | } | |
74288ac8 | 1227 | else { |
cf756827 | 1228 | char *popt_copy = Nullch; |
74288ac8 | 1229 | while (s && *s) { |
4ea8f8fb | 1230 | char *d; |
74288ac8 GS |
1231 | while (isSPACE(*s)) |
1232 | s++; | |
1233 | if (*s == '-') { | |
1234 | s++; | |
1235 | if (isSPACE(*s)) | |
1236 | continue; | |
1237 | } | |
4ea8f8fb | 1238 | d = s; |
74288ac8 GS |
1239 | if (!*s) |
1240 | break; | |
06492da6 | 1241 | if (!strchr("DIMUdmtwA", *s)) |
cea2e8a9 | 1242 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1243 | while (++s && *s) { |
1244 | if (isSPACE(*s)) { | |
cf756827 GS |
1245 | if (!popt_copy) { |
1246 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1247 | s = popt_copy + (s - popt); | |
1248 | d = popt_copy + (d - popt); | |
1249 | } | |
4ea8f8fb MS |
1250 | *s++ = '\0'; |
1251 | break; | |
1252 | } | |
1253 | } | |
1c4db469 | 1254 | if (*d == 't') { |
317ea90d MS |
1255 | if( !PL_tainting ) { |
1256 | PL_taint_warn = TRUE; | |
1257 | PL_tainting = TRUE; | |
1258 | } | |
1c4db469 RGS |
1259 | } else { |
1260 | moreswitches(d); | |
1261 | } | |
6224f72b | 1262 | } |
6224f72b GS |
1263 | } |
1264 | } | |
a0d0e21e | 1265 | |
317ea90d MS |
1266 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1267 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1268 | } | |
1269 | ||
6224f72b GS |
1270 | if (!scriptname) |
1271 | scriptname = argv[0]; | |
3280af22 | 1272 | if (PL_e_script) { |
6224f72b GS |
1273 | argc++,argv--; |
1274 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1275 | } | |
1276 | else if (scriptname == Nullch) { | |
1277 | #ifdef MSDOS | |
1278 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1279 | moreswitches("h"); | |
1280 | #endif | |
1281 | scriptname = "-"; | |
1282 | } | |
1283 | ||
1284 | init_perllib(); | |
1285 | ||
1286 | open_script(scriptname,dosearch,sv,&fdscript); | |
1287 | ||
1288 | validate_suid(validarg, scriptname,fdscript); | |
1289 | ||
64ca3a65 | 1290 | #ifndef PERL_MICRO |
0b5b802d GS |
1291 | #if defined(SIGCHLD) || defined(SIGCLD) |
1292 | { | |
1293 | #ifndef SIGCHLD | |
1294 | # define SIGCHLD SIGCLD | |
1295 | #endif | |
1296 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1297 | if (sigstate == SIG_IGN) { | |
1298 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1299 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1300 | "Can't ignore signal CHLD, forcing to default"); |
1301 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1302 | } | |
1303 | } | |
1304 | #endif | |
64ca3a65 | 1305 | #endif |
0b5b802d | 1306 | |
bf4acbe4 GS |
1307 | #ifdef MACOS_TRADITIONAL |
1308 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1309 | #else | |
f4c556ac | 1310 | if (PL_doextract) { |
bf4acbe4 | 1311 | #endif |
6224f72b | 1312 | find_beginning(); |
f4c556ac GS |
1313 | if (cddir && PerlDir_chdir(cddir) < 0) |
1314 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1315 | ||
1316 | } | |
6224f72b | 1317 | |
3280af22 NIS |
1318 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1319 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1320 | CvUNIQUE_on(PL_compcv); | |
1321 | ||
dd2155a4 | 1322 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1323 | #ifdef USE_5005THREADS |
533c011a NIS |
1324 | CvOWNER(PL_compcv) = 0; |
1325 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1326 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1327 | #endif /* USE_5005THREADS */ |
6224f72b | 1328 | |
0c4f7ff0 | 1329 | boot_core_PerlIO(); |
6224f72b | 1330 | boot_core_UNIVERSAL(); |
9a34ef1d | 1331 | #ifndef PERL_MICRO |
09bef843 | 1332 | boot_core_xsutils(); |
9a34ef1d | 1333 | #endif |
6224f72b GS |
1334 | |
1335 | if (xsinit) | |
acfe0abc | 1336 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1337 | #ifndef PERL_MICRO |
ed79a026 | 1338 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1339 | init_os_extras(); |
6224f72b | 1340 | #endif |
64ca3a65 | 1341 | #endif |
6224f72b | 1342 | |
29209bc5 | 1343 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1344 | # ifdef HAS_SOCKS5_INIT |
1345 | socks5_init(argv[0]); | |
1346 | # else | |
29209bc5 | 1347 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1348 | # endif |
ac27b0f5 | 1349 | #endif |
29209bc5 | 1350 | |
6224f72b GS |
1351 | init_predump_symbols(); |
1352 | /* init_postdump_symbols not currently designed to be called */ | |
1353 | /* more than once (ENV isn't cleared first, for example) */ | |
1354 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1355 | if (!PL_do_undump) |
6224f72b GS |
1356 | init_postdump_symbols(argc,argv,env); |
1357 | ||
a05d7ebb JH |
1358 | /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}. |
1359 | * PL_utf8locale is conditionally turned on by | |
085a54d9 | 1360 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 1361 | * look like the user wants to use UTF-8. */ |
06e66572 JH |
1362 | if (PL_unicode) { |
1363 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 1364 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
1365 | IO* io; |
1366 | PerlIO* fp; | |
1367 | SV* sv; | |
1368 | ||
a05d7ebb | 1369 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 1370 | * and the default open disciplines. */ |
a05d7ebb JH |
1371 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
1372 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
1373 | (fp = IoIFP(io))) | |
1374 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1375 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
1376 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
1377 | (fp = IoOFP(io))) | |
1378 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1379 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
1380 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
1381 | (fp = IoOFP(io))) | |
1382 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1383 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
1384 | (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1385 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; | |
1386 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
1387 | if (in) { | |
1388 | if (out) | |
1389 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1390 | else | |
1391 | sv_setpvn(sv, ":utf8\0", 6); | |
1392 | } | |
1393 | else if (out) | |
1394 | sv_setpvn(sv, "\0:utf8", 6); | |
1395 | SvSETMAGIC(sv); | |
1396 | } | |
b310b053 JH |
1397 | } |
1398 | } | |
1399 | ||
4ffa73a3 JH |
1400 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
1401 | if (strEQ(s, "unsafe")) | |
1402 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
1403 | else if (strEQ(s, "safe")) | |
1404 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
1405 | else | |
1406 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
1407 | } | |
1408 | ||
6224f72b GS |
1409 | init_lexer(); |
1410 | ||
1411 | /* now parse the script */ | |
1412 | ||
93189314 | 1413 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1414 | PL_error_count = 0; |
bf4acbe4 GS |
1415 | #ifdef MACOS_TRADITIONAL |
1416 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1417 | if (PL_minus_c) | |
1418 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1419 | else { | |
1420 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1421 | MacPerl_MPWFileName(PL_origfilename)); | |
1422 | } | |
1423 | } | |
1424 | #else | |
3280af22 NIS |
1425 | if (yyparse() || PL_error_count) { |
1426 | if (PL_minus_c) | |
cea2e8a9 | 1427 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1428 | else { |
cea2e8a9 | 1429 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1430 | PL_origfilename); |
6224f72b GS |
1431 | } |
1432 | } | |
bf4acbe4 | 1433 | #endif |
57843af0 | 1434 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1435 | PL_curstash = PL_defstash; |
1436 | PL_preprocess = FALSE; | |
1437 | if (PL_e_script) { | |
1438 | SvREFCNT_dec(PL_e_script); | |
1439 | PL_e_script = Nullsv; | |
6224f72b GS |
1440 | } |
1441 | ||
3280af22 | 1442 | if (PL_do_undump) |
6224f72b GS |
1443 | my_unexec(); |
1444 | ||
57843af0 GS |
1445 | if (isWARN_ONCE) { |
1446 | SAVECOPFILE(PL_curcop); | |
1447 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1448 | gv_check(PL_defstash); |
57843af0 | 1449 | } |
6224f72b GS |
1450 | |
1451 | LEAVE; | |
1452 | FREETMPS; | |
1453 | ||
1454 | #ifdef MYMALLOC | |
1455 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1456 | dump_mstats("after compilation:"); | |
1457 | #endif | |
1458 | ||
1459 | ENTER; | |
3280af22 | 1460 | PL_restartop = 0; |
312caa8e | 1461 | return NULL; |
6224f72b GS |
1462 | } |
1463 | ||
954c1994 GS |
1464 | /* |
1465 | =for apidoc perl_run | |
1466 | ||
1467 | Tells a Perl interpreter to run. See L<perlembed>. | |
1468 | ||
1469 | =cut | |
1470 | */ | |
1471 | ||
6224f72b | 1472 | int |
0cb96387 | 1473 | perl_run(pTHXx) |
6224f72b | 1474 | { |
6224f72b | 1475 | I32 oldscope; |
14dd3ad8 | 1476 | int ret = 0; |
db36c5a1 | 1477 | dJMPENV; |
4d1ff10f | 1478 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1479 | dTHX; |
1480 | #endif | |
6224f72b | 1481 | |
3280af22 | 1482 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1483 | #ifdef VMS |
1484 | VMSISH_HUSHED = 0; | |
1485 | #endif | |
6224f72b | 1486 | |
14dd3ad8 | 1487 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1488 | redo_body: |
14dd3ad8 GS |
1489 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1490 | #else | |
1491 | JMPENV_PUSH(ret); | |
1492 | #endif | |
6224f72b GS |
1493 | switch (ret) { |
1494 | case 1: | |
1495 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1496 | goto redo_body; |
14dd3ad8 GS |
1497 | case 0: /* normal completion */ |
1498 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1499 | redo_body: | |
1500 | run_body(oldscope); | |
1501 | #endif | |
1502 | /* FALL THROUGH */ | |
1503 | case 2: /* my_exit() */ | |
3280af22 | 1504 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1505 | LEAVE; |
1506 | FREETMPS; | |
3280af22 | 1507 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1508 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1509 | PL_endav && !PL_minus_c) |
1510 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1511 | #ifdef MYMALLOC |
1512 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1513 | dump_mstats("after execution: "); | |
1514 | #endif | |
14dd3ad8 GS |
1515 | ret = STATUS_NATIVE_EXPORT; |
1516 | break; | |
6224f72b | 1517 | case 3: |
312caa8e CS |
1518 | if (PL_restartop) { |
1519 | POPSTACK_TO(PL_mainstack); | |
1520 | goto redo_body; | |
6224f72b | 1521 | } |
bf49b057 | 1522 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1523 | FREETMPS; |
14dd3ad8 GS |
1524 | ret = 1; |
1525 | break; | |
6224f72b GS |
1526 | } |
1527 | ||
14dd3ad8 GS |
1528 | JMPENV_POP; |
1529 | return ret; | |
312caa8e CS |
1530 | } |
1531 | ||
14dd3ad8 | 1532 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1533 | STATIC void * |
14dd3ad8 | 1534 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1535 | { |
312caa8e CS |
1536 | I32 oldscope = va_arg(args, I32); |
1537 | ||
14dd3ad8 GS |
1538 | return run_body(oldscope); |
1539 | } | |
1540 | #endif | |
1541 | ||
1542 | ||
1543 | STATIC void * | |
1544 | S_run_body(pTHX_ I32 oldscope) | |
1545 | { | |
6224f72b | 1546 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1547 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1548 | |
3280af22 | 1549 | if (!PL_restartop) { |
6224f72b GS |
1550 | DEBUG_x(dump_all()); |
1551 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1552 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1553 | PTR2UV(thr))); | |
6224f72b | 1554 | |
3280af22 | 1555 | if (PL_minus_c) { |
bf4acbe4 | 1556 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1557 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1558 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1559 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1560 | #else |
bf49b057 | 1561 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1562 | #endif |
6224f72b GS |
1563 | my_exit(0); |
1564 | } | |
3280af22 | 1565 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1566 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1567 | if (PL_initav) |
1568 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1569 | } |
1570 | ||
1571 | /* do it */ | |
1572 | ||
3280af22 | 1573 | if (PL_restartop) { |
533c011a | 1574 | PL_op = PL_restartop; |
3280af22 | 1575 | PL_restartop = 0; |
cea2e8a9 | 1576 | CALLRUNOPS(aTHX); |
6224f72b | 1577 | } |
3280af22 NIS |
1578 | else if (PL_main_start) { |
1579 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1580 | PL_op = PL_main_start; |
cea2e8a9 | 1581 | CALLRUNOPS(aTHX); |
6224f72b GS |
1582 | } |
1583 | ||
f6b3007c JH |
1584 | my_exit(0); |
1585 | /* NOTREACHED */ | |
312caa8e | 1586 | return NULL; |
6224f72b GS |
1587 | } |
1588 | ||
954c1994 | 1589 | /* |
ccfc67b7 JH |
1590 | =head1 SV Manipulation Functions |
1591 | ||
954c1994 GS |
1592 | =for apidoc p||get_sv |
1593 | ||
1594 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1595 | Perl variable does not exist then it will be created. If C<create> is not | |
1596 | set and the variable does not exist then NULL is returned. | |
1597 | ||
1598 | =cut | |
1599 | */ | |
1600 | ||
6224f72b | 1601 | SV* |
864dbfa3 | 1602 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1603 | { |
1604 | GV *gv; | |
4d1ff10f | 1605 | #ifdef USE_5005THREADS |
6224f72b GS |
1606 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1607 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1608 | if (tmp != NOT_IN_PAD) |
6224f72b | 1609 | return THREADSV(tmp); |
6224f72b | 1610 | } |
4d1ff10f | 1611 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1612 | gv = gv_fetchpv(name, create, SVt_PV); |
1613 | if (gv) | |
1614 | return GvSV(gv); | |
1615 | return Nullsv; | |
1616 | } | |
1617 | ||
954c1994 | 1618 | /* |
ccfc67b7 JH |
1619 | =head1 Array Manipulation Functions |
1620 | ||
954c1994 GS |
1621 | =for apidoc p||get_av |
1622 | ||
1623 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1624 | Perl variable does not exist then it will be created. If C<create> is not | |
1625 | set and the variable does not exist then NULL is returned. | |
1626 | ||
1627 | =cut | |
1628 | */ | |
1629 | ||
6224f72b | 1630 | AV* |
864dbfa3 | 1631 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1632 | { |
1633 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1634 | if (create) | |
1635 | return GvAVn(gv); | |
1636 | if (gv) | |
1637 | return GvAV(gv); | |
1638 | return Nullav; | |
1639 | } | |
1640 | ||
954c1994 | 1641 | /* |
ccfc67b7 JH |
1642 | =head1 Hash Manipulation Functions |
1643 | ||
954c1994 GS |
1644 | =for apidoc p||get_hv |
1645 | ||
1646 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1647 | Perl variable does not exist then it will be created. If C<create> is not | |
1648 | set and the variable does not exist then NULL is returned. | |
1649 | ||
1650 | =cut | |
1651 | */ | |
1652 | ||
6224f72b | 1653 | HV* |
864dbfa3 | 1654 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1655 | { |
a0d0e21e LW |
1656 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1657 | if (create) | |
1658 | return GvHVn(gv); | |
1659 | if (gv) | |
1660 | return GvHV(gv); | |
1661 | return Nullhv; | |
1662 | } | |
1663 | ||
954c1994 | 1664 | /* |
ccfc67b7 JH |
1665 | =head1 CV Manipulation Functions |
1666 | ||
954c1994 GS |
1667 | =for apidoc p||get_cv |
1668 | ||
1669 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1670 | the Perl subroutine does not exist then it will be declared (which has the | |
1671 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1672 | subroutine does not exist then NULL is returned. | |
1673 | ||
1674 | =cut | |
1675 | */ | |
1676 | ||
a0d0e21e | 1677 | CV* |
864dbfa3 | 1678 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1679 | { |
1680 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1681 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1682 | /* XXX this is probably not what they think they're getting. |
1683 | * It has the same effect as "sub name;", i.e. just a forward | |
1684 | * declaration! */ | |
8ebc5c01 | 1685 | if (create && !GvCVu(gv)) |
774d564b | 1686 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1687 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1688 | Nullop, |
a0d0e21e LW |
1689 | Nullop); |
1690 | if (gv) | |
8ebc5c01 | 1691 | return GvCVu(gv); |
a0d0e21e LW |
1692 | return Nullcv; |
1693 | } | |
1694 | ||
79072805 LW |
1695 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1696 | ||
954c1994 | 1697 | /* |
ccfc67b7 JH |
1698 | |
1699 | =head1 Callback Functions | |
1700 | ||
954c1994 GS |
1701 | =for apidoc p||call_argv |
1702 | ||
1703 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1704 | ||
1705 | =cut | |
1706 | */ | |
1707 | ||
a0d0e21e | 1708 | I32 |
864dbfa3 | 1709 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1710 | |
8ac85365 NIS |
1711 | /* See G_* flags in cop.h */ |
1712 | /* null terminated arg list */ | |
8990e307 | 1713 | { |
a0d0e21e | 1714 | dSP; |
8990e307 | 1715 | |
924508f0 | 1716 | PUSHMARK(SP); |
a0d0e21e | 1717 | if (argv) { |
8990e307 | 1718 | while (*argv) { |
a0d0e21e | 1719 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1720 | argv++; |
1721 | } | |
a0d0e21e | 1722 | PUTBACK; |
8990e307 | 1723 | } |
864dbfa3 | 1724 | return call_pv(sub_name, flags); |
8990e307 LW |
1725 | } |
1726 | ||
954c1994 GS |
1727 | /* |
1728 | =for apidoc p||call_pv | |
1729 | ||
1730 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1731 | ||
1732 | =cut | |
1733 | */ | |
1734 | ||
a0d0e21e | 1735 | I32 |
864dbfa3 | 1736 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1737 | /* name of the subroutine */ |
1738 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1739 | { |
864dbfa3 | 1740 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1741 | } |
1742 | ||
954c1994 GS |
1743 | /* |
1744 | =for apidoc p||call_method | |
1745 | ||
1746 | Performs a callback to the specified Perl method. The blessed object must | |
1747 | be on the stack. See L<perlcall>. | |
1748 | ||
1749 | =cut | |
1750 | */ | |
1751 | ||
a0d0e21e | 1752 | I32 |
864dbfa3 | 1753 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1754 | /* name of the subroutine */ |
1755 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1756 | { |
968b3946 | 1757 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1758 | } |
1759 | ||
1760 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1761 | /* |
1762 | =for apidoc p||call_sv | |
1763 | ||
1764 | Performs a callback to the Perl sub whose name is in the SV. See | |
1765 | L<perlcall>. | |
1766 | ||
1767 | =cut | |
1768 | */ | |
1769 | ||
a0d0e21e | 1770 | I32 |
864dbfa3 | 1771 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1772 | /* See G_* flags in cop.h */ |
a0d0e21e | 1773 | { |
924508f0 | 1774 | dSP; |
a0d0e21e | 1775 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1776 | UNOP method_op; |
aa689395 | 1777 | I32 oldmark; |
13689cfe | 1778 | volatile I32 retval = 0; |
a0d0e21e | 1779 | I32 oldscope; |
54310121 | 1780 | bool oldcatch = CATCH_GET; |
6224f72b | 1781 | int ret; |
533c011a | 1782 | OP* oldop = PL_op; |
db36c5a1 | 1783 | dJMPENV; |
1e422769 | 1784 | |
a0d0e21e LW |
1785 | if (flags & G_DISCARD) { |
1786 | ENTER; | |
1787 | SAVETMPS; | |
1788 | } | |
1789 | ||
aa689395 | 1790 | Zero(&myop, 1, LOGOP); |
54310121 | 1791 | myop.op_next = Nullop; |
f51d4af5 | 1792 | if (!(flags & G_NOARGS)) |
aa689395 | 1793 | myop.op_flags |= OPf_STACKED; |
54310121 | 1794 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1795 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1796 | OPf_WANT_SCALAR); | |
462e5cf6 | 1797 | SAVEOP(); |
533c011a | 1798 | PL_op = (OP*)&myop; |
aa689395 | 1799 | |
3280af22 NIS |
1800 | EXTEND(PL_stack_sp, 1); |
1801 | *++PL_stack_sp = sv; | |
aa689395 | 1802 | oldmark = TOPMARK; |
3280af22 | 1803 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1804 | |
3280af22 | 1805 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1806 | /* Handle first BEGIN of -d. */ |
3280af22 | 1807 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1808 | /* Try harder, since this may have been a sighandler, thus |
1809 | * curstash may be meaningless. */ | |
3280af22 | 1810 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1811 | && !(flags & G_NODEBUG)) |
533c011a | 1812 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1813 | |
968b3946 GS |
1814 | if (flags & G_METHOD) { |
1815 | Zero(&method_op, 1, UNOP); | |
1816 | method_op.op_next = PL_op; | |
1817 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1818 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1819 | PL_op = (OP*)&method_op; |
968b3946 GS |
1820 | } |
1821 | ||
312caa8e | 1822 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1823 | CATCH_SET(TRUE); |
14dd3ad8 | 1824 | call_body((OP*)&myop, FALSE); |
312caa8e | 1825 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1826 | CATCH_SET(oldcatch); |
312caa8e CS |
1827 | } |
1828 | else { | |
d78bda3d | 1829 | myop.op_other = (OP*)&myop; |
3280af22 | 1830 | PL_markstack_ptr--; |
4633a7c4 LW |
1831 | /* we're trying to emulate pp_entertry() here */ |
1832 | { | |
c09156bb | 1833 | register PERL_CONTEXT *cx; |
54310121 | 1834 | I32 gimme = GIMME_V; |
ac27b0f5 | 1835 | |
4633a7c4 LW |
1836 | ENTER; |
1837 | SAVETMPS; | |
ac27b0f5 | 1838 | |
968b3946 | 1839 | push_return(Nullop); |
1d76a5c3 | 1840 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1841 | PUSHEVAL(cx, 0, 0); |
533c011a | 1842 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1843 | |
faef0170 | 1844 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1845 | if (flags & G_KEEPERR) |
faef0170 | 1846 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1847 | else |
38a03e6e | 1848 | sv_setpv(ERRSV,""); |
4633a7c4 | 1849 | } |
3280af22 | 1850 | PL_markstack_ptr++; |
a0d0e21e | 1851 | |
14dd3ad8 GS |
1852 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1853 | redo_body: | |
1854 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1855 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1856 | #else |
1857 | JMPENV_PUSH(ret); | |
1858 | #endif | |
6224f72b GS |
1859 | switch (ret) { |
1860 | case 0: | |
14dd3ad8 GS |
1861 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1862 | redo_body: | |
1863 | call_body((OP*)&myop, FALSE); | |
1864 | #endif | |
312caa8e CS |
1865 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1866 | if (!(flags & G_KEEPERR)) | |
1867 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1868 | break; |
6224f72b | 1869 | case 1: |
f86702cc | 1870 | STATUS_ALL_FAILURE; |
a0d0e21e | 1871 | /* FALL THROUGH */ |
6224f72b | 1872 | case 2: |
a0d0e21e | 1873 | /* my_exit() was called */ |
3280af22 | 1874 | PL_curstash = PL_defstash; |
a0d0e21e | 1875 | FREETMPS; |
14dd3ad8 | 1876 | JMPENV_POP; |
cc3604b1 | 1877 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1878 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1879 | my_exit_jump(); |
a0d0e21e | 1880 | /* NOTREACHED */ |
6224f72b | 1881 | case 3: |
3280af22 | 1882 | if (PL_restartop) { |
533c011a | 1883 | PL_op = PL_restartop; |
3280af22 | 1884 | PL_restartop = 0; |
312caa8e | 1885 | goto redo_body; |
a0d0e21e | 1886 | } |
3280af22 | 1887 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1888 | if (flags & G_ARRAY) |
1889 | retval = 0; | |
1890 | else { | |
1891 | retval = 1; | |
3280af22 | 1892 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1893 | } |
312caa8e | 1894 | break; |
a0d0e21e | 1895 | } |
a0d0e21e | 1896 | |
3280af22 | 1897 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1898 | SV **newsp; |
1899 | PMOP *newpm; | |
1900 | I32 gimme; | |
c09156bb | 1901 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1902 | I32 optype; |
1903 | ||
1904 | POPBLOCK(cx,newpm); | |
1905 | POPEVAL(cx); | |
1906 | pop_return(); | |
3280af22 | 1907 | PL_curpm = newpm; |
a0a2876f | 1908 | LEAVE; |
a0d0e21e | 1909 | } |
14dd3ad8 | 1910 | JMPENV_POP; |
a0d0e21e | 1911 | } |
1e422769 | 1912 | |
a0d0e21e | 1913 | if (flags & G_DISCARD) { |
3280af22 | 1914 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1915 | retval = 0; |
1916 | FREETMPS; | |
1917 | LEAVE; | |
1918 | } | |
533c011a | 1919 | PL_op = oldop; |
a0d0e21e LW |
1920 | return retval; |
1921 | } | |
1922 | ||
14dd3ad8 | 1923 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1924 | STATIC void * |
14dd3ad8 | 1925 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
1926 | { |
1927 | OP *myop = va_arg(args, OP*); | |
1928 | int is_eval = va_arg(args, int); | |
1929 | ||
14dd3ad8 | 1930 | call_body(myop, is_eval); |
312caa8e CS |
1931 | return NULL; |
1932 | } | |
14dd3ad8 | 1933 | #endif |
312caa8e CS |
1934 | |
1935 | STATIC void | |
14dd3ad8 | 1936 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 1937 | { |
312caa8e CS |
1938 | if (PL_op == myop) { |
1939 | if (is_eval) | |
f807eda9 | 1940 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 1941 | else |
f807eda9 | 1942 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
1943 | } |
1944 | if (PL_op) | |
cea2e8a9 | 1945 | CALLRUNOPS(aTHX); |
312caa8e CS |
1946 | } |
1947 | ||
6e72f9df | 1948 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1949 | |
954c1994 GS |
1950 | /* |
1951 | =for apidoc p||eval_sv | |
1952 | ||
1953 | Tells Perl to C<eval> the string in the SV. | |
1954 | ||
1955 | =cut | |
1956 | */ | |
1957 | ||
a0d0e21e | 1958 | I32 |
864dbfa3 | 1959 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 1960 | |
8ac85365 | 1961 | /* See G_* flags in cop.h */ |
a0d0e21e | 1962 | { |
924508f0 | 1963 | dSP; |
a0d0e21e | 1964 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 1965 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 1966 | volatile I32 retval = 0; |
4633a7c4 | 1967 | I32 oldscope; |
6224f72b | 1968 | int ret; |
533c011a | 1969 | OP* oldop = PL_op; |
db36c5a1 | 1970 | dJMPENV; |
84902520 | 1971 | |
4633a7c4 LW |
1972 | if (flags & G_DISCARD) { |
1973 | ENTER; | |
1974 | SAVETMPS; | |
1975 | } | |
1976 | ||
462e5cf6 | 1977 | SAVEOP(); |
533c011a NIS |
1978 | PL_op = (OP*)&myop; |
1979 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1980 | EXTEND(PL_stack_sp, 1); |
1981 | *++PL_stack_sp = sv; | |
1982 | oldscope = PL_scopestack_ix; | |
79072805 | 1983 | |
4633a7c4 LW |
1984 | if (!(flags & G_NOARGS)) |
1985 | myop.op_flags = OPf_STACKED; | |
79072805 | 1986 | myop.op_next = Nullop; |
6e72f9df | 1987 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1988 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1989 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1990 | OPf_WANT_SCALAR); | |
6e72f9df | 1991 | if (flags & G_KEEPERR) |
1992 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1993 | |
14dd3ad8 | 1994 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1995 | redo_body: |
14dd3ad8 | 1996 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 1997 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
1998 | #else |
1999 | JMPENV_PUSH(ret); | |
2000 | #endif | |
6224f72b GS |
2001 | switch (ret) { |
2002 | case 0: | |
14dd3ad8 GS |
2003 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2004 | redo_body: | |
2005 | call_body((OP*)&myop,TRUE); | |
2006 | #endif | |
312caa8e CS |
2007 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2008 | if (!(flags & G_KEEPERR)) | |
2009 | sv_setpv(ERRSV,""); | |
4633a7c4 | 2010 | break; |
6224f72b | 2011 | case 1: |
f86702cc | 2012 | STATUS_ALL_FAILURE; |
4633a7c4 | 2013 | /* FALL THROUGH */ |
6224f72b | 2014 | case 2: |
4633a7c4 | 2015 | /* my_exit() was called */ |
3280af22 | 2016 | PL_curstash = PL_defstash; |
4633a7c4 | 2017 | FREETMPS; |
14dd3ad8 | 2018 | JMPENV_POP; |
cc3604b1 | 2019 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2020 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2021 | my_exit_jump(); |
4633a7c4 | 2022 | /* NOTREACHED */ |
6224f72b | 2023 | case 3: |
3280af22 | 2024 | if (PL_restartop) { |
533c011a | 2025 | PL_op = PL_restartop; |
3280af22 | 2026 | PL_restartop = 0; |
312caa8e | 2027 | goto redo_body; |
4633a7c4 | 2028 | } |
3280af22 | 2029 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2030 | if (flags & G_ARRAY) |
2031 | retval = 0; | |
2032 | else { | |
2033 | retval = 1; | |
3280af22 | 2034 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2035 | } |
312caa8e | 2036 | break; |
4633a7c4 LW |
2037 | } |
2038 | ||
14dd3ad8 | 2039 | JMPENV_POP; |
4633a7c4 | 2040 | if (flags & G_DISCARD) { |
3280af22 | 2041 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2042 | retval = 0; |
2043 | FREETMPS; | |
2044 | LEAVE; | |
2045 | } | |
533c011a | 2046 | PL_op = oldop; |
4633a7c4 LW |
2047 | return retval; |
2048 | } | |
2049 | ||
954c1994 GS |
2050 | /* |
2051 | =for apidoc p||eval_pv | |
2052 | ||
2053 | Tells Perl to C<eval> the given string and return an SV* result. | |
2054 | ||
2055 | =cut | |
2056 | */ | |
2057 | ||
137443ea | 2058 | SV* |
864dbfa3 | 2059 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2060 | { |
2061 | dSP; | |
2062 | SV* sv = newSVpv(p, 0); | |
2063 | ||
864dbfa3 | 2064 | eval_sv(sv, G_SCALAR); |
137443ea | 2065 | SvREFCNT_dec(sv); |
2066 | ||
2067 | SPAGAIN; | |
2068 | sv = POPs; | |
2069 | PUTBACK; | |
2070 | ||
2d8e6c8d GS |
2071 | if (croak_on_error && SvTRUE(ERRSV)) { |
2072 | STRLEN n_a; | |
cea2e8a9 | 2073 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2074 | } |
137443ea | 2075 | |
2076 | return sv; | |
2077 | } | |
2078 | ||
4633a7c4 LW |
2079 | /* Require a module. */ |
2080 | ||
954c1994 | 2081 | /* |
ccfc67b7 JH |
2082 | =head1 Embedding Functions |
2083 | ||
954c1994 GS |
2084 | =for apidoc p||require_pv |
2085 | ||
7d3fb230 BS |
2086 | Tells Perl to C<require> the file named by the string argument. It is |
2087 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2088 | implemented that way; consider using load_module instead. |
954c1994 | 2089 | |
7d3fb230 | 2090 | =cut */ |
954c1994 | 2091 | |
4633a7c4 | 2092 | void |
864dbfa3 | 2093 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2094 | { |
d3acc0f7 JP |
2095 | SV* sv; |
2096 | dSP; | |
e788e7d3 | 2097 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2098 | PUTBACK; |
2099 | sv = sv_newmortal(); | |
4633a7c4 LW |
2100 | sv_setpv(sv, "require '"); |
2101 | sv_catpv(sv, pv); | |
2102 | sv_catpv(sv, "'"); | |
864dbfa3 | 2103 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2104 | SPAGAIN; |
2105 | POPSTACK; | |
79072805 LW |
2106 | } |
2107 | ||
79072805 | 2108 | void |
864dbfa3 | 2109 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2110 | { |
2111 | register GV *gv; | |
2112 | ||
155aba94 | 2113 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2114 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2115 | } |
2116 | ||
76e3520e | 2117 | STATIC void |
cea2e8a9 | 2118 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2119 | { |
ab821d7f | 2120 | /* This message really ought to be max 23 lines. |
75c72d73 | 2121 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2122 | |
76e3520e | 2123 | static char *usage_msg[] = { |
fb73857a | 2124 | "-0[octal] specify record separator (\\0, if no argument)", |
2125 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 2126 | "-C enable native wide character system interfaces", |
1950ee41 | 2127 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2128 | "-d[:debugger] run program under debugger", |
2129 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2130 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
2131 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
2132 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2133 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2134 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2135 | "-[mM][-]module execute `use/no module...' before executing program", |
2136 | "-n assume 'while (<>) { ... }' loop around program", | |
2137 | "-p assume loop like -n but print line also, like sed", | |
2138 | "-P run program through C preprocessor before compilation", | |
2139 | "-s enable rudimentary parsing for switches after programfile", | |
2140 | "-S look for programfile using PATH environment variable", | |
2141 | "-T enable tainting checks", | |
9cbc33e8 | 2142 | "-t enable tainting warnings", |
aac3bd0d | 2143 | "-u dump core after parsing program", |
fb73857a | 2144 | "-U allow unsafe operations", |
aac3bd0d GS |
2145 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2146 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2147 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
2148 | "-W enable all warnings", |
2149 | "-X disable all warnings", | |
fb73857a | 2150 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
2151 | "\n", | |
2152 | NULL | |
2153 | }; | |
76e3520e | 2154 | char **p = usage_msg; |
fb73857a | 2155 | |
b0e47665 GS |
2156 | PerlIO_printf(PerlIO_stdout(), |
2157 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2158 | name); | |
fb73857a | 2159 | while (*p) |
b0e47665 | 2160 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2161 | } |
2162 | ||
79072805 LW |
2163 | /* This routine handles any switches that can be given during run */ |
2164 | ||
2165 | char * | |
864dbfa3 | 2166 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2167 | { |
ba210ebe | 2168 | STRLEN numlen; |
c07a80fd | 2169 | U32 rschar; |
79072805 LW |
2170 | |
2171 | switch (*s) { | |
2172 | case '0': | |
a863c7d1 | 2173 | { |
53305cf1 NC |
2174 | I32 flags = 0; |
2175 | numlen = 4; | |
2176 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
8bfdd7d9 | 2177 | SvREFCNT_dec(PL_rs); |
c07a80fd | 2178 | if (rschar & ~((U8)~0)) |
8bfdd7d9 | 2179 | PL_rs = &PL_sv_undef; |
c07a80fd | 2180 | else if (!rschar && numlen >= 2) |
8bfdd7d9 | 2181 | PL_rs = newSVpvn("", 0); |
c07a80fd | 2182 | else { |
eb160463 | 2183 | char ch = (char)rschar; |
8bfdd7d9 | 2184 | PL_rs = newSVpvn(&ch, 1); |
79072805 LW |
2185 | } |
2186 | return s + numlen; | |
a863c7d1 | 2187 | } |
46487f74 | 2188 | case 'C': |
a05d7ebb JH |
2189 | s++; |
2190 | PL_unicode = parse_unicode_opts(&s); | |
46487f74 | 2191 | return s; |
2304df62 | 2192 | case 'F': |
3280af22 | 2193 | PL_minus_F = TRUE; |
ebce5377 RGS |
2194 | PL_splitstr = ++s; |
2195 | while (*s && !isSPACE(*s)) ++s; | |
2196 | *s = '\0'; | |
2197 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2198 | return s; |
79072805 | 2199 | case 'a': |
3280af22 | 2200 | PL_minus_a = TRUE; |
79072805 LW |
2201 | s++; |
2202 | return s; | |
2203 | case 'c': | |
3280af22 | 2204 | PL_minus_c = TRUE; |
79072805 LW |
2205 | s++; |
2206 | return s; | |
2207 | case 'd': | |
bbce6d69 | 2208 | forbid_setid("-d"); |
4633a7c4 | 2209 | s++; |
70c94a19 RR |
2210 | /* The following permits -d:Mod to accepts arguments following an = |
2211 | in the fashion that -MSome::Mod does. */ | |
2212 | if (*s == ':' || *s == '=') { | |
2213 | char *start; | |
2214 | SV *sv; | |
2215 | sv = newSVpv("use Devel::", 0); | |
2216 | start = ++s; | |
2217 | /* We now allow -d:Module=Foo,Bar */ | |
2218 | while(isALNUM(*s) || *s==':') ++s; | |
2219 | if (*s != '=') | |
2220 | sv_catpv(sv, start); | |
2221 | else { | |
2222 | sv_catpvn(sv, start, s-start); | |
2223 | sv_catpv(sv, " split(/,/,q{"); | |
2224 | sv_catpv(sv, ++s); | |
2225 | sv_catpv(sv, "})"); | |
2226 | } | |
4633a7c4 | 2227 | s += strlen(s); |
70c94a19 | 2228 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2229 | } |
ed094faf | 2230 | if (!PL_perldb) { |
3280af22 | 2231 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2232 | init_debugger(); |
ed094faf | 2233 | } |
79072805 LW |
2234 | return s; |
2235 | case 'D': | |
0453d815 | 2236 | { |
79072805 | 2237 | #ifdef DEBUGGING |
bbce6d69 | 2238 | forbid_setid("-D"); |
79072805 | 2239 | if (isALPHA(s[1])) { |
04932ac8 | 2240 | /* if adding extra options, remember to update DEBUG_MASK */ |
7bab3ede | 2241 | static char debopts[] = "psltocPmfrxu HXDSTRJvC"; |
79072805 LW |
2242 | char *d; |
2243 | ||
93a17b20 | 2244 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 2245 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
2246 | } |
2247 | else { | |
3280af22 | 2248 | PL_debug = atoi(s+1); |
79072805 LW |
2249 | for (s++; isDIGIT(*s); s++) ; |
2250 | } | |
2ac72d6e | 2251 | #ifdef EBCDIC |
12a43e32 JH |
2252 | if (DEBUG_p_TEST_ && ckWARN_d(WARN_DEBUGGING)) |
2253 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2254 | "-Dp not implemented on this platform\n"); | |
2255 | #endif | |
aea4f609 | 2256 | PL_debug |= DEBUG_TOP_FLAG; |
12a43e32 | 2257 | #else /* !DEBUGGING */ |
0453d815 | 2258 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2259 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2260 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2261 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2262 | #endif |
2263 | /*SUPPRESS 530*/ | |
2264 | return s; | |
0453d815 | 2265 | } |
4633a7c4 | 2266 | case 'h': |
ac27b0f5 | 2267 | usage(PL_origargv[0]); |
7ca617d0 | 2268 | my_exit(0); |
79072805 | 2269 | case 'i': |
3280af22 NIS |
2270 | if (PL_inplace) |
2271 | Safefree(PL_inplace); | |
c030f24b GH |
2272 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2273 | if (*(s+1) == '\0') { | |
2274 | PL_inplace = savepv(".bak"); | |
2275 | return s+1; | |
2276 | } | |
2277 | #endif /* __CYGWIN__ */ | |
3280af22 | 2278 | PL_inplace = savepv(s+1); |
79072805 | 2279 | /*SUPPRESS 530*/ |
3280af22 | 2280 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2281 | if (*s) { |
fb73857a | 2282 | *s++ = '\0'; |
7b8d334a GS |
2283 | if (*s == '-') /* Additional switches on #! line. */ |
2284 | s++; | |
2285 | } | |
fb73857a | 2286 | return s; |
4e49a025 | 2287 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2288 | forbid_setid("-I"); |
fb73857a | 2289 | ++s; |
2290 | while (*s && isSPACE(*s)) | |
2291 | ++s; | |
2292 | if (*s) { | |
774d564b | 2293 | char *e, *p; |
0df16ed7 GS |
2294 | p = s; |
2295 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2296 | do { | |
2297 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2298 | p = e; | |
2299 | while (isSPACE(*p)) | |
2300 | p++; | |
2301 | } while (*p && *p != '-'); | |
2302 | e = savepvn(s, e-s); | |
574c798a | 2303 | incpush(e, TRUE, TRUE, FALSE); |
0df16ed7 GS |
2304 | Safefree(e); |
2305 | s = p; | |
2306 | if (*s == '-') | |
2307 | s++; | |
79072805 LW |
2308 | } |
2309 | else | |
a67e862a | 2310 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2311 | return s; |
79072805 | 2312 | case 'l': |
3280af22 | 2313 | PL_minus_l = TRUE; |
79072805 | 2314 | s++; |
7889fe52 NIS |
2315 | if (PL_ors_sv) { |
2316 | SvREFCNT_dec(PL_ors_sv); | |
2317 | PL_ors_sv = Nullsv; | |
2318 | } | |
79072805 | 2319 | if (isDIGIT(*s)) { |
53305cf1 | 2320 | I32 flags = 0; |
7889fe52 | 2321 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2322 | numlen = 3 + (*s == '0'); |
2323 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2324 | s += numlen; |
2325 | } | |
2326 | else { | |
8bfdd7d9 | 2327 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2328 | PL_ors_sv = newSVpvn("\n\n",2); |
2329 | } | |
2330 | else { | |
8bfdd7d9 | 2331 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2332 | } |
79072805 LW |
2333 | } |
2334 | return s; | |
06492da6 SF |
2335 | case 'A': |
2336 | forbid_setid("-A"); | |
930366bd RGS |
2337 | if (!PL_preambleav) |
2338 | PL_preambleav = newAV(); | |
06492da6 | 2339 | if (*++s) { |
930366bd | 2340 | SV *sv = newSVpvn("use assertions::activate split(/,/,q{",37); |
06492da6 SF |
2341 | sv_catpv(sv,s); |
2342 | sv_catpv(sv,"})"); | |
2343 | s+=strlen(s); | |
06492da6 SF |
2344 | av_push(PL_preambleav, sv); |
2345 | } | |
2346 | else | |
930366bd | 2347 | av_push(PL_preambleav, newSVpvn("use assertions::activate",24)); |
06492da6 | 2348 | return s; |
1a30305b | 2349 | case 'M': |
bbce6d69 | 2350 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2351 | /* FALL THROUGH */ |
2352 | case 'm': | |
bbce6d69 | 2353 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2354 | if (*++s) { |
a5f75d66 | 2355 | char *start; |
11343788 | 2356 | SV *sv; |
a5f75d66 AD |
2357 | char *use = "use "; |
2358 | /* -M-foo == 'no foo' */ | |
2359 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2360 | sv = newSVpv(use,0); |
a5f75d66 | 2361 | start = s; |
1a30305b | 2362 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2363 | while(isALNUM(*s) || *s==':') ++s; |
2364 | if (*s != '=') { | |
11343788 | 2365 | sv_catpv(sv, start); |
c07a80fd | 2366 | if (*(start-1) == 'm') { |
2367 | if (*s != '\0') | |
cea2e8a9 | 2368 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2369 | sv_catpv( sv, " ()"); |
c07a80fd | 2370 | } |
2371 | } else { | |
6df41af2 | 2372 | if (s == start) |
be98fb35 GS |
2373 | Perl_croak(aTHX_ "Module name required with -%c option", |
2374 | s[-1]); | |
11343788 MB |
2375 | sv_catpvn(sv, start, s-start); |
2376 | sv_catpv(sv, " split(/,/,q{"); | |
2377 | sv_catpv(sv, ++s); | |
2378 | sv_catpv(sv, "})"); | |
c07a80fd | 2379 | } |
1a30305b | 2380 | s += strlen(s); |
5c831c24 | 2381 | if (!PL_preambleav) |
3280af22 NIS |
2382 | PL_preambleav = newAV(); |
2383 | av_push(PL_preambleav, sv); | |
1a30305b | 2384 | } |
2385 | else | |
cea2e8a9 | 2386 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2387 | return s; |
79072805 | 2388 | case 'n': |
3280af22 | 2389 | PL_minus_n = TRUE; |
79072805 LW |
2390 | s++; |
2391 | return s; | |
2392 | case 'p': | |
3280af22 | 2393 | PL_minus_p = TRUE; |
79072805 LW |
2394 | s++; |
2395 | return s; | |
2396 | case 's': | |
bbce6d69 | 2397 | forbid_setid("-s"); |
3280af22 | 2398 | PL_doswitches = TRUE; |
79072805 LW |
2399 | s++; |
2400 | return s; | |
6537fe72 MS |
2401 | case 't': |
2402 | if (!PL_tainting) | |
2403 | Perl_croak(aTHX_ "Too late for \"-t\" option"); | |
2404 | s++; | |
2405 | return s; | |
463ee0b2 | 2406 | case 'T': |
3280af22 | 2407 | if (!PL_tainting) |
cea2e8a9 | 2408 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
2409 | s++; |
2410 | return s; | |
79072805 | 2411 | case 'u': |
bf4acbe4 GS |
2412 | #ifdef MACOS_TRADITIONAL |
2413 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2414 | #endif | |
3280af22 | 2415 | PL_do_undump = TRUE; |
79072805 LW |
2416 | s++; |
2417 | return s; | |
2418 | case 'U': | |
3280af22 | 2419 | PL_unsafe = TRUE; |
79072805 LW |
2420 | s++; |
2421 | return s; | |
2422 | case 'v': | |
8e9464f1 | 2423 | #if !defined(DGUX) |
b0e47665 | 2424 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2425 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2426 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2427 | #else /* DGUX */ |
2428 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2429 | PerlIO_printf(PerlIO_stdout(), | |
2430 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2431 | PerlIO_printf(PerlIO_stdout(), | |
2432 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2433 | OSNAME, __DATE__, __TIME__)); | |
2434 | PerlIO_printf(PerlIO_stdout(), | |
2435 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2436 | OSVERS)); |
8e9464f1 JH |
2437 | #endif /* !DGUX */ |
2438 | ||
fb73857a | 2439 | #if defined(LOCAL_PATCH_COUNT) |
2440 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2441 | PerlIO_printf(PerlIO_stdout(), |
2442 | "\n(with %d registered patch%s, " | |
2443 | "see perl -V for more detail)", | |
2444 | (int)LOCAL_PATCH_COUNT, | |
2445 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2446 | #endif |
1a30305b | 2447 | |
b0e47665 | 2448 | PerlIO_printf(PerlIO_stdout(), |
4c79ee7a | 2449 | "\n\nCopyright 1987-2003, Larry Wall\n"); |
eae9c151 JH |
2450 | #ifdef MACOS_TRADITIONAL |
2451 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2452 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2453 | "maintained by Chris Nandor\n"); |
eae9c151 | 2454 | #endif |
79072805 | 2455 | #ifdef MSDOS |
b0e47665 GS |
2456 | PerlIO_printf(PerlIO_stdout(), |
2457 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2458 | #endif |
2459 | #ifdef DJGPP | |
b0e47665 GS |
2460 | PerlIO_printf(PerlIO_stdout(), |
2461 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2462 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2463 | #endif |
79072805 | 2464 | #ifdef OS2 |
b0e47665 GS |
2465 | PerlIO_printf(PerlIO_stdout(), |
2466 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2467 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2468 | #endif |
79072805 | 2469 | #ifdef atarist |
b0e47665 GS |
2470 | PerlIO_printf(PerlIO_stdout(), |
2471 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2472 | #endif |
a3f9223b | 2473 | #ifdef __BEOS__ |
b0e47665 GS |
2474 | PerlIO_printf(PerlIO_stdout(), |
2475 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2476 | #endif |
1d84e8df | 2477 | #ifdef MPE |
b0e47665 | 2478 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2479 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2002\n"); |
1d84e8df | 2480 | #endif |
9d116dd7 | 2481 | #ifdef OEMVS |
b0e47665 GS |
2482 | PerlIO_printf(PerlIO_stdout(), |
2483 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2484 | #endif |
495c5fdc | 2485 | #ifdef __VOS__ |
b0e47665 | 2486 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2487 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2488 | #endif |
092bebab | 2489 | #ifdef __OPEN_VM |
b0e47665 GS |
2490 | PerlIO_printf(PerlIO_stdout(), |
2491 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2492 | #endif |
a1a0e61e | 2493 | #ifdef POSIX_BC |
b0e47665 GS |
2494 | PerlIO_printf(PerlIO_stdout(), |
2495 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2496 | #endif |
61ae2fbf | 2497 | #ifdef __MINT__ |
b0e47665 GS |
2498 | PerlIO_printf(PerlIO_stdout(), |
2499 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2500 | #endif |
f83d2536 | 2501 | #ifdef EPOC |
b0e47665 | 2502 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2503 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2504 | #endif |
e1caacb4 | 2505 | #ifdef UNDER_CE |
b475b3e6 JH |
2506 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
2507 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
2508 | wce_hitreturn(); |
2509 | #endif | |
baed7233 DL |
2510 | #ifdef BINARY_BUILD_NOTICE |
2511 | BINARY_BUILD_NOTICE; | |
2512 | #endif | |
b0e47665 GS |
2513 | PerlIO_printf(PerlIO_stdout(), |
2514 | "\n\ | |
79072805 | 2515 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2516 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2517 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2518 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2519 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2520 | my_exit(0); |
79072805 | 2521 | case 'w': |
599cee73 | 2522 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2523 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2524 | s++; |
2525 | return s; | |
2526 | case 'W': | |
ac27b0f5 | 2527 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2528 | if (!specialWARN(PL_compiling.cop_warnings)) |
2529 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2530 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2531 | s++; |
2532 | return s; | |
2533 | case 'X': | |
ac27b0f5 | 2534 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2535 | if (!specialWARN(PL_compiling.cop_warnings)) |
2536 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2537 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2538 | s++; |
2539 | return s; | |
a0d0e21e | 2540 | case '*': |
79072805 LW |
2541 | case ' ': |
2542 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2543 | return s+2; | |
2544 | break; | |
a0d0e21e | 2545 | case '-': |
79072805 | 2546 | case 0: |
51882d45 | 2547 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2548 | case '\r': |
2549 | #endif | |
79072805 LW |
2550 | case '\n': |
2551 | case '\t': | |
2552 | break; | |
aa689395 | 2553 | #ifdef ALTERNATE_SHEBANG |
2554 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2555 | break; | |
2556 | #endif | |
a0d0e21e | 2557 | case 'P': |
3280af22 | 2558 | if (PL_preprocess) |
a0d0e21e LW |
2559 | return s+1; |
2560 | /* FALL THROUGH */ | |
79072805 | 2561 | default: |
cea2e8a9 | 2562 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2563 | } |
2564 | return Nullch; | |
2565 | } | |
2566 | ||
2567 | /* compliments of Tom Christiansen */ | |
2568 | ||
2569 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2570 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2571 | |
2572 | void | |
864dbfa3 | 2573 | Perl_my_unexec(pTHX) |
79072805 LW |
2574 | { |
2575 | #ifdef UNEXEC | |
46fc3d4c | 2576 | SV* prog; |
2577 | SV* file; | |
ee580363 | 2578 | int status = 1; |
79072805 LW |
2579 | extern int etext; |
2580 | ||
ee580363 | 2581 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2582 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2583 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2584 | sv_catpv(file, ".perldump"); |
79072805 | 2585 | |
ee580363 GS |
2586 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2587 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2588 | PerlProc_exit(status); |
79072805 | 2589 | #else |
a5f75d66 AD |
2590 | # ifdef VMS |
2591 | # include <lib$routines.h> | |
2592 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2593 | # else |
79072805 | 2594 | ABORT(); /* for use with undump */ |
aa689395 | 2595 | # endif |
a5f75d66 | 2596 | #endif |
79072805 LW |
2597 | } |
2598 | ||
cb68f92d GS |
2599 | /* initialize curinterp */ |
2600 | STATIC void | |
cea2e8a9 | 2601 | S_init_interp(pTHX) |
cb68f92d GS |
2602 | { |
2603 | ||
acfe0abc GS |
2604 | #ifdef MULTIPLICITY |
2605 | # define PERLVAR(var,type) | |
2606 | # define PERLVARA(var,n,type) | |
2607 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2608 | # if defined(USE_5005THREADS) | |
2609 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2610 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2611 | # else /* !USE_5005THREADS */ |
2612 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2613 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2614 | # endif /* USE_5005THREADS */ | |
3967c732 | 2615 | # else |
acfe0abc GS |
2616 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2617 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2618 | # endif |
acfe0abc GS |
2619 | # include "intrpvar.h" |
2620 | # ifndef USE_5005THREADS | |
2621 | # include "thrdvar.h" | |
2622 | # endif | |
2623 | # undef PERLVAR | |
2624 | # undef PERLVARA | |
2625 | # undef PERLVARI | |
2626 | # undef PERLVARIC | |
2627 | #else | |
2628 | # define PERLVAR(var,type) | |
2629 | # define PERLVARA(var,n,type) | |
2630 | # define PERLVARI(var,type,init) PL_##var = init; | |
2631 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2632 | # include "intrpvar.h" | |
2633 | # ifndef USE_5005THREADS | |
2634 | # include "thrdvar.h" | |
2635 | # endif | |
2636 | # undef PERLVAR | |
2637 | # undef PERLVARA | |
2638 | # undef PERLVARI | |
2639 | # undef PERLVARIC | |
cb68f92d GS |
2640 | #endif |
2641 | ||
cb68f92d GS |
2642 | } |
2643 | ||
76e3520e | 2644 | STATIC void |
cea2e8a9 | 2645 | S_init_main_stash(pTHX) |
79072805 | 2646 | { |
463ee0b2 | 2647 | GV *gv; |
6e72f9df | 2648 | |
3280af22 | 2649 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2650 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2651 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2652 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2653 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2654 | SvREADONLY_on(gv); |
3280af22 NIS |
2655 | HvNAME(PL_defstash) = savepv("main"); |
2656 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2657 | GvMULTI_on(PL_incgv); | |
2658 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2659 | GvMULTI_on(PL_hintgv); | |
2660 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2661 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2662 | GvMULTI_on(PL_errgv); | |
2663 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2664 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2665 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2666 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2667 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2668 | PL_curstash = PL_defstash; |
11faa288 | 2669 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2670 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2671 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2672 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2673 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2674 | } |
2675 | ||
76e3520e | 2676 | STATIC void |
cea2e8a9 | 2677 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2678 | { |
1b24ed4b MS |
2679 | char *quote; |
2680 | char *code; | |
2681 | char *cpp_discard_flag; | |
2682 | char *perl; | |
2683 | ||
6c4ab083 | 2684 | *fdscript = -1; |
79072805 | 2685 | |
3280af22 NIS |
2686 | if (PL_e_script) { |
2687 | PL_origfilename = savepv("-e"); | |
96436eeb | 2688 | } |
6c4ab083 GS |
2689 | else { |
2690 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2691 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2692 | |
2693 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2694 | char *s = scriptname + 8; | |
2695 | *fdscript = atoi(s); | |
2696 | while (isDIGIT(*s)) | |
2697 | s++; | |
2698 | if (*s) { | |
2699 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2700 | Safefree(PL_origfilename); |
2701 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2702 | } |
2703 | } | |
2704 | } | |
2705 | ||
05ec9bb3 | 2706 | CopFILE_free(PL_curcop); |
57843af0 | 2707 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2708 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2709 | scriptname = ""; |
01f988be | 2710 | if (*fdscript >= 0) { |
3280af22 | 2711 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2712 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2713 | if (PL_rsfp) | |
2714 | /* ensure close-on-exec */ | |
2715 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2716 | # endif | |
96436eeb | 2717 | } |
3280af22 | 2718 | else if (PL_preprocess) { |
46fc3d4c | 2719 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2720 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2721 | SV *cmd = NEWSV(0,0); |
2722 | ||
2723 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2724 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2725 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2726 | |
1b24ed4b MS |
2727 | # ifndef VMS |
2728 | sv_catpvn(sv, "-I", 2); | |
2729 | sv_catpv(sv,PRIVLIB_EXP); | |
2730 | # endif | |
46fc3d4c | 2731 | |
14953ddc MB |
2732 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2733 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2734 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2735 | |
2736 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2737 | quote = "\""; | |
2738 | # else | |
2739 | quote = "'"; | |
2740 | # endif | |
2741 | ||
2742 | # ifdef VMS | |
2743 | cpp_discard_flag = ""; | |
2744 | # else | |
2745 | cpp_discard_flag = "-C"; | |
2746 | # endif | |
2747 | ||
2748 | # ifdef OS2 | |
2749 | perl = os2_execname(aTHX); | |
2750 | # else | |
2751 | perl = PL_origargv[0]; | |
2752 | # endif | |
2753 | ||
2754 | ||
2755 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2756 | the C pre-processor, including #!. #line directives are |
2757 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2758 | of #line. FWP played some golf with it so it will fit |
2759 | into VMS's 255 character buffer. | |
2760 | */ | |
2761 | if( PL_doextract ) | |
2762 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2763 | else | |
2764 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2765 | ||
2766 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2767 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2768 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2769 | cpp_discard_flag, sv, CPPMINUS); |
2770 | ||
3280af22 | 2771 | PL_doextract = FALSE; |
1b24ed4b MS |
2772 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2773 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2774 | # ifdef HAS_SETEUID | |
2775 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2776 | # else | |
2777 | # ifdef HAS_SETREUID | |
2778 | (void)setreuid((Uid_t)-1, PL_uid); | |
2779 | # else | |
2780 | # ifdef HAS_SETRESUID | |
2781 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2782 | # else | |
2783 | PerlProc_setuid(PL_uid); | |
2784 | # endif | |
2785 | # endif | |
2786 | # endif | |
b28d0864 | 2787 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2788 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2789 | } |
1b24ed4b | 2790 | # endif /* IAMSUID */ |
0a6c758d | 2791 | |
62375a60 NIS |
2792 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2793 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2794 | SvPVX(cmd))); |
2795 | ||
3280af22 | 2796 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2797 | SvREFCNT_dec(cmd); |
2798 | SvREFCNT_dec(cpp); | |
79072805 LW |
2799 | } |
2800 | else if (!*scriptname) { | |
bbce6d69 | 2801 | forbid_setid("program input from stdin"); |
3280af22 | 2802 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2803 | } |
96436eeb | 2804 | else { |
3280af22 | 2805 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2806 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2807 | if (PL_rsfp) | |
2808 | /* ensure close-on-exec */ | |
2809 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2810 | # endif | |
96436eeb | 2811 | } |
3280af22 | 2812 | if (!PL_rsfp) { |
1b24ed4b MS |
2813 | # ifdef DOSUID |
2814 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
2815 | if (PL_euid && | |
2816 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
2817 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2818 | { | |
2819 | /* try again */ | |
62375a60 NIS |
2820 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
2821 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
2822 | (int)PERL_VERSION, |
2823 | (int)PERL_SUBVERSION), PL_origargv); | |
2824 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
2825 | } | |
2826 | # endif | |
2827 | # endif | |
2828 | # ifdef IAMSUID | |
2829 | errno = EPERM; | |
2830 | Perl_croak(aTHX_ "Can't open perl script: %s\n", | |
2831 | Strerror(errno)); | |
2832 | # else | |
2833 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
2834 | CopFILE(PL_curcop), Strerror(errno)); | |
2835 | # endif | |
13281fa4 | 2836 | } |
79072805 | 2837 | } |
8d063cd8 | 2838 | |
7b89560d JH |
2839 | /* Mention |
2840 | * I_SYSSTATVFS HAS_FSTATVFS | |
2841 | * I_SYSMOUNT | |
c890dc6c | 2842 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
2843 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
2844 | * here so that metaconfig picks them up. */ | |
2845 | ||
104d25b7 | 2846 | #ifdef IAMSUID |
864dbfa3 | 2847 | STATIC int |
e688b231 | 2848 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2849 | { |
0545a864 JH |
2850 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2851 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2852 | /* |
ad27e871 | 2853 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2854 | * fstatvfs() is UNIX98. |
0545a864 | 2855 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2856 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2857 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2858 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2859 | */ |
2860 | ||
6439433f JH |
2861 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
2862 | ||
2863 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2864 | defined(HAS_FSTATVFS) | |
2865 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 2866 | struct statvfs stfs; |
6439433f | 2867 | |
104d25b7 JH |
2868 | check_okay = fstatvfs(fd, &stfs) == 0; |
2869 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 2870 | # endif /* fstatvfs */ |
ac27b0f5 | 2871 | |
6439433f JH |
2872 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
2873 | defined(PERL_MOUNT_NOSUID) && \ | |
2874 | defined(HAS_FSTATFS) && \ | |
2875 | defined(HAS_STRUCT_STATFS) && \ | |
2876 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
2877 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 2878 | struct statfs stfs; |
6439433f | 2879 | |
104d25b7 | 2880 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2881 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
2882 | # endif /* fstatfs */ |
2883 | ||
2884 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2885 | defined(PERL_MOUNT_NOSUID) && \ | |
2886 | defined(HAS_FSTAT) && \ | |
2887 | defined(HAS_USTAT) && \ | |
2888 | defined(HAS_GETMNT) && \ | |
2889 | defined(HAS_STRUCT_FS_DATA) && \ | |
2890 | defined(NOSTAT_ONE) | |
2891 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 2892 | Stat_t fdst; |
6439433f | 2893 | |
0545a864 | 2894 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
2895 | struct ustat us; |
2896 | if (ustat(fdst.st_dev, &us) == 0) { | |
2897 | struct fs_data fsd; | |
2898 | /* NOSTAT_ONE here because we're not examining fields which | |
2899 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 2900 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
2901 | size_t cmplen = sizeof(us.f_fname); |
2902 | if (sizeof(fsd.fd_req.path) < cmplen) | |
2903 | cmplen = sizeof(fsd.fd_req.path); | |
2904 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
2905 | fdst.st_dev == fsd.fd_req.dev) { | |
2906 | check_okay = 1; | |
2907 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
2908 | } | |
2909 | } | |
2910 | } | |
2911 | } | |
0545a864 | 2912 | } |
6439433f JH |
2913 | # endif /* fstat+ustat+getmnt */ |
2914 | ||
2915 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2916 | defined(HAS_GETMNTENT) && \ | |
2917 | defined(HAS_HASMNTOPT) && \ | |
2918 | defined(MNTOPT_NOSUID) | |
2919 | # define FD_ON_NOSUID_CHECK_OKAY | |
2920 | FILE *mtab = fopen("/etc/mtab", "r"); | |
2921 | struct mntent *entry; | |
c623ac67 | 2922 | Stat_t stb, fsb; |
104d25b7 JH |
2923 | |
2924 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
2925 | while (entry = getmntent(mtab)) { |
2926 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2927 | && fsb.st_dev == stb.st_dev) | |
2928 | { | |
2929 | /* found the filesystem */ | |
2930 | check_okay = 1; | |
2931 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2932 | on_nosuid = 1; | |
2933 | break; | |
2934 | } /* A single fs may well fail its stat(). */ | |
2935 | } | |
104d25b7 JH |
2936 | } |
2937 | if (mtab) | |
6439433f JH |
2938 | fclose(mtab); |
2939 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 2940 | |
ac27b0f5 | 2941 | if (!check_okay) |
0545a864 | 2942 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
2943 | return on_nosuid; |
2944 | } | |
2945 | #endif /* IAMSUID */ | |
2946 | ||
76e3520e | 2947 | STATIC void |
cea2e8a9 | 2948 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2949 | { |
155aba94 | 2950 | #ifdef IAMSUID |
96436eeb | 2951 | int which; |
155aba94 | 2952 | #endif |
96436eeb | 2953 | |
13281fa4 LW |
2954 | /* do we need to emulate setuid on scripts? */ |
2955 | ||
2956 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2957 | * in the kernel because of a security problem. Merely defining DOSUID | |
2958 | * in perl will not fix that problem, but if you have disabled setuid | |
2959 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2960 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2961 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2962 | * discovers that it has opened a setuid script, it calls suidperl with | |
2963 | * the same argv that it had. If suidperl finds that the script it has | |
2964 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2965 | * uid. We don't just make perl setuid root because that loses the | |
2966 | * effective uid we had before invoking perl, if it was different from the | |
2967 | * uid. | |
13281fa4 LW |
2968 | * |
2969 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2970 | * be defined in suidperl only. suidperl must be setuid root. The | |
2971 | * Configure script will set this up for you if you want it. | |
2972 | */ | |
a687059c | 2973 | |
13281fa4 | 2974 | #ifdef DOSUID |
6e72f9df | 2975 | char *s, *s2; |
a0d0e21e | 2976 | |
b28d0864 | 2977 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2978 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2979 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2980 | I32 len; |
2d8e6c8d | 2981 | STRLEN n_a; |
13281fa4 | 2982 | |
a687059c | 2983 | #ifdef IAMSUID |
fe14fcc3 | 2984 | #ifndef HAS_SETREUID |
a687059c LW |
2985 | /* On this access check to make sure the directories are readable, |
2986 | * there is actually a small window that the user could use to make | |
2987 | * filename point to an accessible directory. So there is a faint | |
2988 | * chance that someone could execute a setuid script down in a | |
2989 | * non-accessible directory. I don't know what to do about that. | |
2990 | * But I don't think it's too important. The manual lies when | |
2991 | * it says access() is useful in setuid programs. | |
2992 | */ | |
cc49e20b | 2993 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 2994 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2995 | #else |
2996 | /* If we can swap euid and uid, then we can determine access rights | |
2997 | * with a simple stat of the file, and then compare device and | |
2998 | * inode to make sure we did stat() on the same file we opened. | |
2999 | * Then we just have to make sure he or she can execute it. | |
3000 | */ | |
3001 | { | |
c623ac67 | 3002 | Stat_t tmpstatbuf; |
a687059c | 3003 | |
85e6fe83 LW |
3004 | if ( |
3005 | #ifdef HAS_SETREUID | |
b28d0864 | 3006 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
3007 | #else |
3008 | # if HAS_SETRESUID | |
b28d0864 | 3009 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 3010 | # endif |
85e6fe83 | 3011 | #endif |
b28d0864 | 3012 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3013 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 3014 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 3015 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 3016 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 3017 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 3018 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 3019 | #endif |
b28d0864 NIS |
3020 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
3021 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
3022 | (void)PerlIO_close(PL_rsfp); | |
cea2e8a9 | 3023 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3024 | } |
85e6fe83 LW |
3025 | if ( |
3026 | #ifdef HAS_SETREUID | |
b28d0864 | 3027 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
3028 | #else |
3029 | # if defined(HAS_SETRESUID) | |
b28d0864 | 3030 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 3031 | # endif |
85e6fe83 | 3032 | #endif |
b28d0864 | 3033 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 3034 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 3035 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 3036 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3037 | } |
fe14fcc3 | 3038 | #endif /* HAS_SETREUID */ |
a687059c LW |
3039 | #endif /* IAMSUID */ |
3040 | ||
b28d0864 | 3041 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 3042 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 3043 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3044 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3045 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3046 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3047 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3048 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3049 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3050 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3051 | if (*s == ' ') s++; |
45d8adaa | 3052 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3053 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3054 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3055 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3056 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3057 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3058 | /* |
3059 | * #! arg must be what we saw above. They can invoke it by | |
3060 | * mentioning suidperl explicitly, but they may not add any strange | |
3061 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3062 | */ | |
3063 | len = strlen(validarg); | |
3064 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3065 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3066 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3067 | |
3068 | #ifndef IAMSUID | |
b28d0864 NIS |
3069 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3070 | PL_euid == PL_statbuf.st_uid) | |
3071 | if (!PL_do_undump) | |
cea2e8a9 | 3072 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3073 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3074 | #endif /* IAMSUID */ | |
13281fa4 | 3075 | |
b28d0864 NIS |
3076 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3077 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3078 | #ifndef IAMSUID |
46fc3d4c | 3079 | /* try again */ |
a7cb1f99 | 3080 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3081 | (int)PERL_REVISION, (int)PERL_VERSION, |
3082 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 3083 | #endif |
cea2e8a9 | 3084 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
3085 | } |
3086 | ||
b28d0864 | 3087 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 3088 | #ifdef HAS_SETEGID |
b28d0864 | 3089 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3090 | #else |
fe14fcc3 | 3091 | #ifdef HAS_SETREGID |
b28d0864 | 3092 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3093 | #else |
3094 | #ifdef HAS_SETRESGID | |
b28d0864 | 3095 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3096 | #else |
b28d0864 | 3097 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3098 | #endif |
3099 | #endif | |
85e6fe83 | 3100 | #endif |
b28d0864 | 3101 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3102 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3103 | } |
b28d0864 NIS |
3104 | if (PL_statbuf.st_mode & S_ISUID) { |
3105 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3106 | #ifdef HAS_SETEUID |
b28d0864 | 3107 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3108 | #else |
fe14fcc3 | 3109 | #ifdef HAS_SETREUID |
b28d0864 | 3110 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3111 | #else |
3112 | #ifdef HAS_SETRESUID | |
b28d0864 | 3113 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3114 | #else |
b28d0864 | 3115 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3116 | #endif |
3117 | #endif | |
85e6fe83 | 3118 | #endif |
b28d0864 | 3119 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3120 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3121 | } |
b28d0864 | 3122 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3123 | #ifdef HAS_SETEUID |
b28d0864 | 3124 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3125 | #else |
fe14fcc3 | 3126 | #ifdef HAS_SETREUID |
b28d0864 | 3127 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3128 | #else |
85e6fe83 | 3129 | #ifdef HAS_SETRESUID |
b28d0864 | 3130 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3131 | #else |
b28d0864 | 3132 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3133 | #endif |
a687059c LW |
3134 | #endif |
3135 | #endif | |
b28d0864 | 3136 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3137 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3138 | } |
748a9306 | 3139 | init_ids(); |
b28d0864 | 3140 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 3141 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
3142 | } |
3143 | #ifdef IAMSUID | |
6b88bc9c | 3144 | else if (PL_preprocess) |
cea2e8a9 | 3145 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 3146 | else if (fdscript >= 0) |
cea2e8a9 | 3147 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 3148 | else |
cea2e8a9 | 3149 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 3150 | |
3151 | /* We absolutely must clear out any saved ids here, so we */ | |
3152 | /* exec the real perl, substituting fd script for scriptname. */ | |
3153 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
3154 | PerlIO_rewind(PL_rsfp); |
3155 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
3156 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
3157 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
3158 | Perl_croak(aTHX_ "Permission denied"); |
3159 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 3160 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 3161 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3162 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3163 | #endif |
a7cb1f99 | 3164 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3165 | (int)PERL_REVISION, (int)PERL_VERSION, |
3166 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 3167 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3168 | #endif /* IAMSUID */ |
a687059c | 3169 | #else /* !DOSUID */ |
3280af22 | 3170 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3171 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3172 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3173 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3174 | || |
b28d0864 | 3175 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3176 | ) |
b28d0864 | 3177 | if (!PL_do_undump) |
cea2e8a9 | 3178 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3179 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3180 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3181 | /* not set-id, must be wrapped */ | |
a687059c | 3182 | } |
13281fa4 | 3183 | #endif /* DOSUID */ |
79072805 | 3184 | } |
13281fa4 | 3185 | |
76e3520e | 3186 | STATIC void |
cea2e8a9 | 3187 | S_find_beginning(pTHX) |
79072805 | 3188 | { |
6e72f9df | 3189 | register char *s, *s2; |
e55ac0fa HS |
3190 | #ifdef MACOS_TRADITIONAL |
3191 | int maclines = 0; | |
3192 | #endif | |
33b78306 LW |
3193 | |
3194 | /* skip forward in input to the real script? */ | |
3195 | ||
bbce6d69 | 3196 | forbid_setid("-x"); |
bf4acbe4 | 3197 | #ifdef MACOS_TRADITIONAL |
084592ab | 3198 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3199 | |
bf4acbe4 GS |
3200 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3201 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3202 | if (!gMacPerl_AlwaysExtract) | |
3203 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3204 | |
bf4acbe4 GS |
3205 | if (PL_doextract) /* require explicit override ? */ |
3206 | if (!OverrideExtract(PL_origfilename)) | |
3207 | Perl_croak(aTHX_ "User aborted script\n"); | |
3208 | else | |
3209 | PL_doextract = FALSE; | |
e55ac0fa | 3210 | |
bf4acbe4 GS |
3211 | /* Pater peccavi, file does not have #! */ |
3212 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3213 | |
bf4acbe4 GS |
3214 | break; |
3215 | } | |
3216 | #else | |
3280af22 NIS |
3217 | while (PL_doextract) { |
3218 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3219 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3220 | #endif |
4f0c37ba IZ |
3221 | s2 = s; |
3222 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3223 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3224 | PL_doextract = FALSE; | |
6e72f9df | 3225 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3226 | s2 = s; | |
3227 | while (*s == ' ' || *s == '\t') s++; | |
3228 | if (*s++ == '-') { | |
3229 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3230 | if (strnEQ(s2-4,"perl",4)) | |
3231 | /*SUPPRESS 530*/ | |
155aba94 GS |
3232 | while ((s = moreswitches(s))) |
3233 | ; | |
33b78306 | 3234 | } |
95e8664e | 3235 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3236 | /* We are always searching for the #!perl line in MacPerl, |
3237 | * so if we find it, still keep the line count correct | |
3238 | * by counting lines we already skipped over | |
3239 | */ | |
3240 | for (; maclines > 0 ; maclines--) | |
3241 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3242 | ||
95e8664e | 3243 | break; |
e55ac0fa HS |
3244 | |
3245 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3246 | } else if (gMacPerl_AlwaysExtract) { | |
3247 | ++maclines; | |
95e8664e | 3248 | #endif |
83025b21 LW |
3249 | } |
3250 | } | |
3251 | } | |
3252 | ||
afe37c7d | 3253 | |
76e3520e | 3254 | STATIC void |
cea2e8a9 | 3255 | S_init_ids(pTHX) |
352d5a3a | 3256 | { |
d8eceb89 JH |
3257 | PL_uid = PerlProc_getuid(); |
3258 | PL_euid = PerlProc_geteuid(); | |
3259 | PL_gid = PerlProc_getgid(); | |
3260 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3261 | #ifdef VMS |
b28d0864 NIS |
3262 | PL_uid |= PL_gid << 16; |
3263 | PL_euid |= PL_egid << 16; | |
748a9306 | 3264 | #endif |
3280af22 | 3265 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3266 | } |
79072805 | 3267 | |
76e3520e | 3268 | STATIC void |
cea2e8a9 | 3269 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3270 | { |
3280af22 | 3271 | if (PL_euid != PL_uid) |
cea2e8a9 | 3272 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3273 | if (PL_egid != PL_gid) |
cea2e8a9 | 3274 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3275 | } |
3276 | ||
1ee4443e IZ |
3277 | void |
3278 | Perl_init_debugger(pTHX) | |
748a9306 | 3279 | { |
1ee4443e IZ |
3280 | HV *ostash = PL_curstash; |
3281 | ||
3280af22 NIS |
3282 | PL_curstash = PL_debstash; |
3283 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
3284 | AvREAL_off(PL_dbargs); | |
3285 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
3286 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
3287 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3288 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 | 3289 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3290 | sv_setiv(PL_DBsingle, 0); |
3280af22 | 3291 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3292 | sv_setiv(PL_DBtrace, 0); |
3280af22 | 3293 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3294 | sv_setiv(PL_DBsignal, 0); |
06492da6 SF |
3295 | PL_DBassertion = GvSV((gv_fetchpv("assertion", GV_ADDMULTI, SVt_PV))); |
3296 | sv_setiv(PL_DBassertion, 0); | |
1ee4443e | 3297 | PL_curstash = ostash; |
352d5a3a LW |
3298 | } |
3299 | ||
2ce36478 SM |
3300 | #ifndef STRESS_REALLOC |
3301 | #define REASONABLE(size) (size) | |
3302 | #else | |
3303 | #define REASONABLE(size) (1) /* unreasonable */ | |
3304 | #endif | |
3305 | ||
11343788 | 3306 | void |
cea2e8a9 | 3307 | Perl_init_stacks(pTHX) |
79072805 | 3308 | { |
e336de0d | 3309 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3310 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3311 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3312 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3313 | PL_curstack = PL_curstackinfo->si_stack; | |
3314 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3315 | |
3280af22 NIS |
3316 | PL_stack_base = AvARRAY(PL_curstack); |
3317 | PL_stack_sp = PL_stack_base; | |
3318 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3319 | |
3280af22 NIS |
3320 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3321 | PL_tmps_floor = -1; | |
3322 | PL_tmps_ix = -1; | |
3323 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3324 | |
3280af22 NIS |
3325 | New(54,PL_markstack,REASONABLE(32),I32); |
3326 | PL_markstack_ptr = PL_markstack; | |
3327 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3328 | |
ce2f7c3b | 3329 | SET_MARK_OFFSET; |
e336de0d | 3330 | |
3280af22 NIS |
3331 | New(54,PL_scopestack,REASONABLE(32),I32); |
3332 | PL_scopestack_ix = 0; | |
3333 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3334 | |
3280af22 NIS |
3335 | New(54,PL_savestack,REASONABLE(128),ANY); |
3336 | PL_savestack_ix = 0; | |
3337 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3338 | |
3280af22 NIS |
3339 | New(54,PL_retstack,REASONABLE(16),OP*); |
3340 | PL_retstack_ix = 0; | |
3341 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3342 | } |
33b78306 | 3343 | |
2ce36478 SM |
3344 | #undef REASONABLE |
3345 | ||
76e3520e | 3346 | STATIC void |
cea2e8a9 | 3347 | S_nuke_stacks(pTHX) |
6e72f9df | 3348 | { |
3280af22 NIS |
3349 | while (PL_curstackinfo->si_next) |
3350 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3351 | while (PL_curstackinfo) { | |
3352 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3353 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3354 | Safefree(PL_curstackinfo->si_cxstack); |
3355 | Safefree(PL_curstackinfo); | |
3356 | PL_curstackinfo = p; | |
e336de0d | 3357 | } |
3280af22 NIS |
3358 | Safefree(PL_tmps_stack); |
3359 | Safefree(PL_markstack); | |
3360 | Safefree(PL_scopestack); | |
3361 | Safefree(PL_savestack); | |
3362 | Safefree(PL_retstack); | |
378cc40b | 3363 | } |
33b78306 | 3364 | |
76e3520e | 3365 | STATIC void |
cea2e8a9 | 3366 | S_init_lexer(pTHX) |
8990e307 | 3367 | { |
06039172 | 3368 | PerlIO *tmpfp; |
3280af22 NIS |
3369 | tmpfp = PL_rsfp; |
3370 | PL_rsfp = Nullfp; | |
3371 | lex_start(PL_linestr); | |
3372 | PL_rsfp = tmpfp; | |
79cb57f6 | 3373 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3374 | } |
3375 | ||
76e3520e | 3376 | STATIC void |
cea2e8a9 | 3377 | S_init_predump_symbols(pTHX) |
45d8adaa | 3378 | { |
93a17b20 | 3379 | GV *tmpgv; |
af8c498a | 3380 | IO *io; |
79072805 | 3381 | |
864dbfa3 | 3382 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3383 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3384 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3385 | io = GvIOp(PL_stdingv); |
a04651f4 | 3386 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3387 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3388 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3389 | GvMULTI_on(tmpgv); |
af8c498a | 3390 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3391 | |
85e6fe83 | 3392 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3393 | GvMULTI_on(tmpgv); |
af8c498a | 3394 | io = GvIOp(tmpgv); |
a04651f4 | 3395 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3396 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3397 | setdefout(tmpgv); |
adbc6bb1 | 3398 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3399 | GvMULTI_on(tmpgv); |
af8c498a | 3400 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3401 | |
bf49b057 GS |
3402 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3403 | GvMULTI_on(PL_stderrgv); | |
3404 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3405 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3406 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3407 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3408 | GvMULTI_on(tmpgv); |
af8c498a | 3409 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3410 | |
3280af22 | 3411 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3412 | |
bf4acbe4 GS |
3413 | if (PL_osname) |
3414 | Safefree(PL_osname); | |
3415 | PL_osname = savepv(OSNAME); | |
79072805 | 3416 | } |
33b78306 | 3417 | |
a11ec5a9 RGS |
3418 | void |
3419 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3420 | { |
79072805 | 3421 | char *s; |
79072805 | 3422 | argc--,argv++; /* skip name of script */ |
3280af22 | 3423 | if (PL_doswitches) { |
79072805 LW |
3424 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3425 | if (!argv[0][1]) | |
3426 | break; | |
379d538a | 3427 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3428 | argc--,argv++; |
3429 | break; | |
3430 | } | |
155aba94 | 3431 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3432 | *s++ = '\0'; |
85e6fe83 | 3433 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3434 | } |
3435 | else | |
85e6fe83 | 3436 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3437 | } |
79072805 | 3438 | } |
a11ec5a9 RGS |
3439 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3440 | GvMULTI_on(PL_argvgv); | |
3441 | (void)gv_AVadd(PL_argvgv); | |
3442 | av_clear(GvAVn(PL_argvgv)); | |
3443 | for (; argc > 0; argc--,argv++) { | |
3444 | SV *sv = newSVpv(argv[0],0); | |
3445 | av_push(GvAVn(PL_argvgv),sv); | |
ce81ff12 JH |
3446 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3447 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3448 | SvUTF8_on(sv); | |
3449 | } | |
a05d7ebb JH |
3450 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3451 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3452 | } |
3453 | } | |
3454 | } | |
3455 | ||
04fee9b5 NIS |
3456 | #ifdef HAS_PROCSELFEXE |
3457 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3458 | bytes of stack longer than necessary |
04fee9b5 NIS |
3459 | */ |
3460 | STATIC void | |
3461 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3462 | { | |
3463 | char buf[MAXPATHLEN]; | |
d13a6521 | 3464 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3465 | |
3466 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3467 | includes a spurious NUL which will cause $^X to fail in system | |
3468 | or backticks (this will prevent extensions from being built and | |
3469 | many tests from working). readlink is not meant to add a NUL. | |
3470 | Normal readlink works fine. | |
3471 | */ | |
3472 | if (len > 0 && buf[len-1] == '\0') { | |
3473 | len--; | |
3474 | } | |
3475 | ||
d103ec31 JH |
3476 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3477 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3478 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3479 | path has a '/' in it somewhere, so use that to validate the result. |
3480 | See http://www.freebsd.org/cgi/query-pr.cgi?p |